139050115646 has 64 divisors (see below), whose sum is σ = 242947192320. Its totient is φ = 59152705920.

The previous prime is 139050115627. The next prime is 139050115649. The reversal of 139050115646 is 646511050931.

It is a super-2 number, since 2×139050115646² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139050115649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9062201 + ... + 9077531.

It is an arithmetic number, because the mean of its divisors is an integer number (3796049880).

Almost surely, 2^139050115646 is an apocalyptic number.

139050115646 is a deficient number, since it is larger than the sum of its proper divisors (103897076674).

139050115646 is a wasteful number, since it uses less digits than its factorization.

139050115646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15921.

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 139050115646 in words is "one hundred thirty-nine billion, fifty million, one hundred fifteen thousand, six hundred forty-six".