1380900531 has 32 divisors (see below), whose sum is σ = 1991884608. Its totient is φ = 847708160.

The previous prime is 1380900509. The next prime is 1380900533. The reversal of 1380900531 is 1350090831.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1380900531 - 2⁷ = 1380900403 is a prime.

It is a super-2 number, since 2×1380900531² = 3813772553032163922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1380900533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1732225 + ... + 1733021.

It is an arithmetic number, because the mean of its divisors is an integer number (62246394).

Almost surely, 2^1380900531 is an apocalyptic number.

1380900531 is a deficient number, since it is larger than the sum of its proper divisors (610984077).

1380900531 is a wasteful number, since it uses less digits than its factorization.

1380900531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 1380900531 is about 37160.4700051009. The cubic root of 1380900531 is about 1113.5784012867.

The spelling of 1380900531 in words is "one billion, three hundred eighty million, nine hundred thousand, five hundred thirty-one".