1381725498 has 16 divisors (see below), whose sum is σ = 2767769856. Its totient is φ = 459855360.

The previous prime is 1381725497. The next prime is 1381725517. The reversal of 1381725498 is 8945271831.

It is not an unprimeable number, because it can be changed into a prime (1381725491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175786 + ... + 183477.

It is an arithmetic number, because the mean of its divisors is an integer number (172985616).

Almost surely, 2^1381725498 is an apocalyptic number.

1381725498 is an abundant number, since it is smaller than the sum of its proper divisors (1386044358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1381725498 is a wasteful number, since it uses less digits than its factorization.

1381725498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359909.

The product of its digits is 483840, while the sum is 48.

The square root of 1381725498 is about 37171.5684092022. The cubic root of 1381725498 is about 1113.8001122964.

The spelling of 1381725498 in words is "one billion, three hundred eighty-one million, seven hundred twenty-five thousand, four hundred ninety-eight".