1371804540 has 48 divisors (see below), whose sum is σ = 3843506688. Its totient is φ = 365580864.

The previous prime is 1371804493. The next prime is 1371804547. The reversal of 1371804540 is 454081731.

It is a super-2 number, since 2×1371804540² = 3763695391929223200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1371804547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100569 + ... + 113391.

It is an arithmetic number, because the mean of its divisors is an integer number (80073056).

Almost surely, 2^1371804540 is an apocalyptic number.

1371804540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1371804540 is an abundant number, since it is smaller than the sum of its proper divisors (2471702148).

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

1371804540 is a wasteful number, since it uses less digits than its factorization.

1371804540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14618 (or 14616 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 1371804540 is about 37037.8797989302. The cubic root of 1371804540 is about 1111.1279662851.

The spelling of 1371804540 in words is "one billion, three hundred seventy-one million, eight hundred four thousand, five hundred forty".