139061632 has 32 divisors (see below), whose sum is σ = 293337720. Its totient is φ = 65439744.

The previous prime is 139061621. The next prime is 139061633. The reversal of 139061632 is 236160931.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 139061594 and 139061603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139061633) 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, 29778 + ... + 34129.

Almost surely, 2^139061632 is an apocalyptic number.

It is an amenable number.

139061632 is an abundant number, since it is smaller than the sum of its proper divisors (154276088).

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

139061632 is an equidigital number, since it uses as much as digits as its factorization.

139061632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63938 (or 63926 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 139061632 is about 11792.4396118869. The cubic root of 139061632 is about 518.0866965795.

The spelling of 139061632 in words is "one hundred thirty-nine million, sixty-one thousand, six hundred thirty-two".