139504348 has 6 divisors (see below), whose sum is σ = 244132616. Its totient is φ = 69752172.

The previous prime is 139504307. The next prime is 139504381. The reversal of 139504348 is 843405931.

It is a super-2 number, since 2×139504348² = 38922926221810208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17438040 + ... + 17438047.

Almost surely, 2^139504348 is an apocalyptic number.

It is an amenable number.

139504348 is a deficient number, since it is larger than the sum of its proper divisors (104628268).

139504348 is a wasteful number, since it uses less digits than its factorization.

139504348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34876091 (or 34876089 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 139504348 is about 11811.1958751009. The cubic root of 139504348 is about 518.6359070127.

The spelling of 139504348 in words is "one hundred thirty-nine million, five hundred four thousand, three hundred forty-eight".