139810245732 has 18 divisors (see below), whose sum is σ = 353409232358. Its totient is φ = 46603415232.

The previous prime is 139810245727. The next prime is 139810245749. The reversal of 139810245732 is 237542018931.

It is a happy number.

139810245732 is a `hidden beast` number, since 1 + 3 + 98 + 102 + 457 + 3 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 114125054976 + 25685190756 = 337824^2 + 160266^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1941808933 + ... + 1941809004.

Almost surely, 2^139810245732 is an apocalyptic number.

139810245732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139810245732 is an abundant number, since it is smaller than the sum of its proper divisors (213598986626).

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

139810245732 is a wasteful number, since it uses less digits than its factorization.

139810245732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3883617947 (or 3883617942 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 139810245732 in words is "one hundred thirty-nine billion, eight hundred ten million, two hundred forty-five thousand, seven hundred thirty-two".