1408820131 has 2 divisors, whose sum is σ = 1408820132. Its totient is φ = 1408820130.

The previous prime is 1408820099. The next prime is 1408820191. The reversal of 1408820131 is 1310288041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1408820131 - 2⁵ = 1408820099 is a prime.

It is a super-2 number, since 2×1408820131² = 3969548323021714322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1408820131.

It is not a weakly prime, because it can be changed into another prime (1408820191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704410065 + 704410066.

It is an arithmetic number, because the mean of its divisors is an integer number (704410066).

Almost surely, 2^1408820131 is an apocalyptic number.

1408820131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1408820131 is an equidigital number, since it uses as much as digits as its factorization.

1408820131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 1408820131 is about 37534.2527699700. The cubic root of 1408820131 is about 1121.0333073830.

The spelling of 1408820131 in words is "one billion, four hundred eight million, eight hundred twenty thousand, one hundred thirty-one".