1408397509136 has 20 divisors (see below), whose sum is σ = 2729776812864. Its totient is φ = 703938976800.

The previous prime is 1408397508997. The next prime is 1408397509163. The reversal of 1408397509136 is 6319057938041.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16191380 + ... + 16278131.

Almost surely, 2^{1408397509136} is an apocalyptic number.

1408397509136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1408397509136 is a deficient number, since it is larger than the sum of its proper divisors (1321379303728).

1408397509136 is a wasteful number, since it uses less digits than its factorization.

1408397509136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32472230 (or 32472224 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 56.

The spelling of 1408397509136 in words is "one trillion, four hundred eight billion, three hundred ninety-seven million, five hundred nine thousand, one hundred thirty-six".