139045032 has 64 divisors (see below), whose sum is σ = 441417600. Its totient is φ = 39726720.

The previous prime is 139045007. The next prime is 139045037. The reversal of 139045032 is 230540931.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 139044987 and 139045005.

It is not an unprimeable number, because it can be changed into a prime (139045037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44469 + ... + 47492.

It is an arithmetic number, because the mean of its divisors is an integer number (6897150).

Almost surely, 2^139045032 is an apocalyptic number.

139045032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139045032 is an abundant number, since it is smaller than the sum of its proper divisors (302372568).

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

139045032 is a wasteful number, since it uses less digits than its factorization.

139045032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91983 (or 91973 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 139045032 is about 11791.7357500921. The cubic root of 139045032 is about 518.0660808250.

Adding to 139045032 its reverse (230540931), we get a palindrome (369585963).

The spelling of 139045032 in words is "one hundred thirty-nine million, forty-five thousand, thirty-two".