1371913980 has 24 divisors (see below), whose sum is σ = 3841359312. Its totient is φ = 365843712.

The previous prime is 1371913979. The next prime is 1371913987. The reversal of 1371913980 is 893191731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1371913987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11432557 + ... + 11432676.

It is an arithmetic number, because the mean of its divisors is an integer number (160056638).

Almost surely, 2^1371913980 is an apocalyptic number.

1371913980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1371913980 is an abundant number, since it is smaller than the sum of its proper divisors (2469445332).

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

1371913980 is a wasteful number, since it uses less digits than its factorization.

1371913980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22865245 (or 22865243 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 42.

The square root of 1371913980 is about 37039.3571758474. The cubic root of 1371913980 is about 1111.1575134029.

The spelling of 1371913980 in words is "one billion, three hundred seventy-one million, nine hundred thirteen thousand, nine hundred eighty".