139537524734 has 8 divisors (see below), whose sum is σ = 209505819600. Its totient is φ = 69702251536.

The previous prime is 139537524733. The next prime is 139537524739. The reversal of 139537524734 is 437425735931.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139537524733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33252794 + ... + 33256989.

It is an arithmetic number, because the mean of its divisors is an integer number (26188227450).

Almost surely, 2^139537524734 is an apocalyptic number.

139537524734 is a deficient number, since it is larger than the sum of its proper divisors (69968294866).

139537524734 is a wasteful number, since it uses less digits than its factorization.

139537524734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66510834.

The product of its digits is 9525600, while the sum is 53.

The spelling of 139537524734 in words is "one hundred thirty-nine billion, five hundred thirty-seven million, five hundred twenty-four thousand, seven hundred thirty-four".