1381725502 has 16 divisors (see below), whose sum is σ = 2124589824. Its totient is φ = 673552000.

The previous prime is 1381725497. The next prime is 1381725517. The reversal of 1381725502 is 2055271831.

It is a congruent number.

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, 136227 + ... + 146017.

It is an arithmetic number, because the mean of its divisors is an integer number (132786864).

Almost surely, 2^1381725502 is an apocalyptic number.

1381725502 is a deficient number, since it is larger than the sum of its proper divisors (742864322).

1381725502 is a wasteful number, since it uses less digits than its factorization.

1381725502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11555.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 1381725502 is about 37171.5684630068. The cubic root of 1381725502 is about 1113.8001133712.

The spelling of 1381725502 in words is "one billion, three hundred eighty-one million, seven hundred twenty-five thousand, five hundred two".