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139148381337 = 3722928934993
BaseRepresentation
bin1000000110010111100…
…0111100110010011001
3111022011111020011120020
42001211320330302121
54234433441200322
6143531320421053
713024140504030
oct2014570746231
9438144204506
10139148381337
11540156a7469
1222b74617789
1310177308024
146a404a7717
1539460a005c
hex2065e3cc99

139148381337 has 16 divisors (see below), whose sum is σ = 212961555840. Its totient is φ = 79166138112.

The previous prime is 139148381311. The next prime is 139148381369. The reversal of 139148381337 is 733183841931.

It is a happy number.

It is not a de Polignac number, because 139148381337 - 28 = 139148381081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 139148381337.

It is not an unprimeable number, because it can be changed into a prime (139148381737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14462688 + ... + 14472305.

It is an arithmetic number, because the mean of its divisors is an integer number (13310097240).

Almost surely, 2139148381337 is an apocalyptic number.

It is an amenable number.

139148381337 is a deficient number, since it is larger than the sum of its proper divisors (73813174503).

139148381337 is a wasteful number, since it uses less digits than its factorization.

139148381337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28935232.

The product of its digits is 1306368, while the sum is 51.

The spelling of 139148381337 in words is "one hundred thirty-nine billion, one hundred forty-eight million, three hundred eighty-one thousand, three hundred thirty-seven".

Divisors: 1 3 7 21 229 687 1603 4809 28934993 86804979 202544951 607634853 6626113397 19878340191 46382793779 139148381337