1439125129802 has 32 divisors (see below), whose sum is σ = 2241960834960. Its totient is φ = 692293754880.

The previous prime is 1439125129789. The next prime is 1439125129879. The reversal of 1439125129802 is 2089215219341.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 35494936801 + 1403630193001 = 188401^2 + 1184749^2 .

It is a super-2 number, since 2×1439125129802² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54896474 + ... + 54922682.

Almost surely, 2^{1439125129802} is an apocalyptic number.

1439125129802 is a deficient number, since it is larger than the sum of its proper divisors (802835705158).

1439125129802 is a wasteful number, since it uses less digits than its factorization.

1439125129802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35498.

The product of its (nonzero) digits is 311040, while the sum is 47.

The spelling of 1439125129802 in words is "one trillion, four hundred thirty-nine billion, one hundred twenty-five million, one hundred twenty-nine thousand, eight hundred two".