139495048 has 32 divisors (see below), whose sum is σ = 326093760. Its totient is φ = 54348480.

The previous prime is 139495033. The next prime is 139495051. The reversal of 139495048 is 840594931.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 139494995 and 139495013.

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, 112611 + ... + 113842.

It is an arithmetic number, because the mean of its divisors is an integer number (10190430).

Almost surely, 2^139495048 is an apocalyptic number.

It is an amenable number.

139495048 is an abundant number, since it is smaller than the sum of its proper divisors (186598712).

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

139495048 is a wasteful number, since it uses less digits than its factorization.

139495048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226477 (or 226473 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 139495048 is about 11810.8021742810. The cubic root of 139495048 is about 518.6243818735.

The spelling of 139495048 in words is "one hundred thirty-nine million, four hundred ninety-five thousand, forty-eight".