139480725 has 24 divisors (see below), whose sum is σ = 235520640. Its totient is φ = 72805120.

The previous prime is 139480673. The next prime is 139480751. The reversal of 139480725 is 527084931.

It is not a de Polignac number, because 139480725 - 2¹⁷ = 139349653 is a prime.

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 in 23 ways as a sum of consecutive naturals, for example, 16260 + ... + 23309.

It is an arithmetic number, because the mean of its divisors is an integer number (9813360).

Almost surely, 2^139480725 is an apocalyptic number.

139480725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

139480725 is a deficient number, since it is larger than the sum of its proper divisors (96039915).

139480725 is a wasteful number, since it uses less digits than its factorization.

139480725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39629 (or 39624 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 139480725 is about 11810.1958070135. The cubic root of 139480725 is about 518.6066309177.

The spelling of 139480725 in words is "one hundred thirty-nine million, four hundred eighty thousand, seven hundred twenty-five".