139539352 has 8 divisors (see below), whose sum is σ = 261636300. Its totient is φ = 69769672.

The previous prime is 139539341. The next prime is 139539373. The reversal of 139539352 is 253935931.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8721202 + ... + 8721217.

Almost surely, 2^139539352 is an apocalyptic number.

It is an amenable number.

139539352 is a deficient number, since it is larger than the sum of its proper divisors (122096948).

139539352 is a wasteful number, since it uses less digits than its factorization.

139539352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17442425 (or 17442421 counting only the distinct ones).

The product of its digits is 109350, while the sum is 40.

The square root of 139539352 is about 11812.6775965485. The cubic root of 139539352 is about 518.6792815583.

The spelling of 139539352 in words is "one hundred thirty-nine million, five hundred thirty-nine thousand, three hundred fifty-two".