1138740659154 has 96 divisors (see below), whose sum is σ = 2826163756416. Its totient is φ = 324613785600.

The previous prime is 1138740659113. The next prime is 1138740659167. The reversal of 1138740659154 is 4519560478311.

1138740659154 is a `hidden beast` number, since 1 + 1 + 3 + 8 + 7 + 40 + 6 + 591 + 5 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1138740659154.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 194620329 + ... + 194626179.

It is an arithmetic number, because the mean of its divisors is an integer number (29439205796).

Almost surely, 2^{1138740659154} is an apocalyptic number.

1138740659154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1138740659154 is an abundant number, since it is smaller than the sum of its proper divisors (1687423097262).

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

1138740659154 is a wasteful number, since it uses less digits than its factorization.

1138740659154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9120 (or 9117 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 54.

The spelling of 1138740659154 in words is "one trillion, one hundred thirty-eight billion, seven hundred forty million, six hundred fifty-nine thousand, one hundred fifty-four".