1408136408 has 32 divisors (see below), whose sum is σ = 3019130400. Its totient is φ = 603148032.

The previous prime is 1408136393. The next prime is 1408136459. The reversal of 1408136408 is 8046318041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110966 + ... + 123002.

It is an arithmetic number, because the mean of its divisors is an integer number (94347825).

Almost surely, 2^1408136408 is an apocalyptic number.

It is an amenable number.

1408136408 is an abundant number, since it is smaller than the sum of its proper divisors (1610993992).

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

1408136408 is a wasteful number, since it uses less digits than its factorization.

1408136408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14139 (or 14135 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 1408136408 is about 37525.1436772732. The cubic root of 1408136408 is about 1120.8519262241.

The spelling of 1408136408 in words is "one billion, four hundred eight million, one hundred thirty-six thousand, four hundred eight".