139803274 has 16 divisors (see below), whose sum is σ = 239121288. Its totient is φ = 60728832.

The previous prime is 139803263. The next prime is 139803283. The reversal of 139803274 is 472308931.

It can be written as a sum of positive squares in 4 ways, for example, as 83448225 + 56355049 = 9135^2 + 7507^2 .

It is a super-2 number, since 2×139803274² = 39089910842238152, which contains 22 as substring.

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, 157707 + ... + 158590.

Almost surely, 2^139803274 is an apocalyptic number.

139803274 is a deficient number, since it is larger than the sum of its proper divisors (99318014).

139803274 is a wasteful number, since it uses less digits than its factorization.

139803274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316329.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 139803274 is about 11823.8434529556. The cubic root of 139803274 is about 519.0060822247.

The spelling of 139803274 in words is "one hundred thirty-nine million, eight hundred three thousand, two hundred seventy-four".