139885734128 has 20 divisors (see below), whose sum is σ = 309746982960. Its totient is φ = 59951028864.

The previous prime is 139885734127. The next prime is 139885734133. The reversal of 139885734128 is 821437588931.

It is a super-2 number, since 2×139885734128² (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 (139885734127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624489773 + ... + 624489996.

It is an arithmetic number, because the mean of its divisors is an integer number (15487349148).

Almost surely, 2^139885734128 is an apocalyptic number.

It is an amenable number.

139885734128 is an abundant number, since it is smaller than the sum of its proper divisors (169861248832).

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

139885734128 is a wasteful number, since it uses less digits than its factorization.

139885734128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248979784 (or 1248979778 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 59.

The spelling of 139885734128 in words is "one hundred thirty-nine billion, eight hundred eighty-five million, seven hundred thirty-four thousand, one hundred twenty-eight".