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139213663908 = 22311223101149277
BaseRepresentation
bin1000000110100111000…
…1111110111010100100
3111022100001001212102020
42001221301332322210
54240102144221113
6143542011543140
713025562422154
oct2015161767244
9438301055366
10139213663908
1154049536200
1222b9245aab0
13101879b4577
146a4901c764
15394bb98023
hex2069c7eea4

139213663908 has 288 divisors, whose sum is σ = 380151878400. Its totient is φ = 39540864000.

The previous prime is 139213663829. The next prime is 139213663933. The reversal of 139213663908 is 809366312931.

It is a happy number.

139213663908 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 502576266 + ... + 502576542.

It is an arithmetic number, because the mean of its divisors is an integer number (1319971800).

Almost surely, 2139213663908 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139213663908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190075939200).

139213663908 is an abundant number, since it is smaller than the sum of its proper divisors (240938214492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139213663908 is a wasteful number, since it uses less digits than its factorization.

139213663908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 51.

The spelling of 139213663908 in words is "one hundred thirty-nine billion, two hundred thirteen million, six hundred sixty-three thousand, nine hundred eight".