139594738 has 16 divisors (see below), whose sum is σ = 213310080. Its totient is φ = 68502096.

The previous prime is 139594711. The next prime is 139594753. The reversal of 139594738 is 837495931.

It is a junction number, because it is equal to n+sod(n) for n = 139594691 and 139594700.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24781 + ... + 29887.

It is an arithmetic number, because the mean of its divisors is an integer number (13331880).

Almost surely, 2^139594738 is an apocalyptic number.

139594738 is a deficient number, since it is larger than the sum of its proper divisors (73715342).

139594738 is a wasteful number, since it uses less digits than its factorization.

139594738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5361.

The product of its digits is 816480, while the sum is 49.

The square root of 139594738 is about 11815.0217096711. The cubic root of 139594738 is about 518.7478972576.

The spelling of 139594738 in words is "one hundred thirty-nine million, five hundred ninety-four thousand, seven hundred thirty-eight".