139657280128032 has 48 divisors (see below), whose sum is σ = 367542777813120. Its totient is φ = 46432754648832.

The previous prime is 139657280128031. The next prime is 139657280128039. The reversal of 139657280128032 is 230821082756931.

139657280128032 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (139657280128031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1869838408 + ... + 1869913095.

It is an arithmetic number, because the mean of its divisors is an integer number (7657141204440).

Almost surely, 2^{139657280128032} is an apocalyptic number.

139657280128032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139657280128032 is an abundant number, since it is smaller than the sum of its proper divisors (227885497685088).

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

139657280128032 is a wasteful number, since it uses less digits than its factorization.

139657280128032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3739751905 (or 3739751897 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 139657280128032 in words is "one hundred thirty-nine trillion, six hundred fifty-seven billion, two hundred eighty million, one hundred twenty-eight thousand, thirty-two".