139148769240 has 768 divisors, whose sum is σ = 539052433920. Its totient is φ = 31979888640.

The previous prime is 139148769233. The next prime is 139148769283. The reversal of 139148769240 is 42967841931.

139148769240 is a `hidden beast` number, since 1 + 39 + 1 + 487 + 6 + 92 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 453253167 + ... + 453253473.

It is an arithmetic number, because the mean of its divisors is an integer number (701891190).

Almost surely, 2^139148769240 is an apocalyptic number.

139148769240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139148769240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269526216960).

139148769240 is an abundant number, since it is smaller than the sum of its proper divisors (399903664680).

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

139148769240 is a wasteful number, since it uses less digits than its factorization.

139148769240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 558 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 139148769240 in words is "one hundred thirty-nine billion, one hundred forty-eight million, seven hundred sixty-nine thousand, two hundred forty".