139142428324 has 27 divisors (see below), whose sum is σ = 249637987011. Its totient is φ = 67859434560.

The previous prime is 139142428307. The next prime is 139142428351. The reversal of 139142428324 is 423824241931.

The square root of 139142428324 is 373018.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 13684788324 + 125457640000 = 116982^2 + 354200^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 30585202 + ... + 30589750.

Almost surely, 2^139142428324 is an apocalyptic number.

139142428324 is the 373018-th square number.

It is an amenable number.

139142428324 is a deficient number, since it is larger than the sum of its proper divisors (110495558687).

139142428324 is an frugal number, since it uses more digits than its factorization.

139142428324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9184 (or 4592 counting only the distinct ones).

The product of its digits is 331776, while the sum is 43.

The spelling of 139142428324 in words is "one hundred thirty-nine billion, one hundred forty-two million, four hundred twenty-eight thousand, three hundred twenty-four".