1373511990 has 32 divisors (see below), whose sum is σ = 3350473056. Its totient is φ = 360264960.

The previous prime is 1373511989. The next prime is 1373512003. The reversal of 1373511990 is 991153731.

It is a congruent number.

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, 373447 + ... + 377106.

It is an arithmetic number, because the mean of its divisors is an integer number (104702283).

Almost surely, 2^1373511990 is an apocalyptic number.

1373511990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1373511990 is an abundant number, since it is smaller than the sum of its proper divisors (1976961066).

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

1373511990 is a wasteful number, since it uses less digits than its factorization.

1373511990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750624.

The product of its (nonzero) digits is 25515, while the sum is 39.

The square root of 1373511990 is about 37060.9226814444. The cubic root of 1373511990 is about 1111.5887726668.

The spelling of 1373511990 in words is "one billion, three hundred seventy-three million, five hundred eleven thousand, nine hundred ninety".