139341725 has 12 divisors (see below), whose sum is σ = 181878240. Its totient is φ = 105606000.

The previous prime is 139341647. The next prime is 139341737. The reversal of 139341725 is 527143931.

It is not a de Polignac number, because 139341725 - 2¹⁰ = 139340701 is a prime.

It is a super-2 number, since 2×139341725² = 38832232651951250, 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 in 11 ways as a sum of consecutive naturals, for example, 146201 + ... + 147150.

It is an arithmetic number, because the mean of its divisors is an integer number (15156520).

Almost surely, 2^139341725 is an apocalyptic number.

It is an amenable number.

139341725 is a deficient number, since it is larger than the sum of its proper divisors (42536515).

139341725 is a wasteful number, since it uses less digits than its factorization.

139341725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293380 (or 293375 counting only the distinct ones).

The product of its digits is 22680, while the sum is 35.

The square root of 139341725 is about 11804.3095943812. The cubic root of 139341725 is about 518.4343005810.

The spelling of 139341725 in words is "one hundred thirty-nine million, three hundred forty-one thousand, seven hundred twenty-five".