2113154136 has 64 divisors (see below), whose sum is σ = 6072300000. Its totient is φ = 680093568.

The previous prime is 2113154129. The next prime is 2113154159. The reversal of 2113154136 is 6314513112.

It is a happy number.

2113154136 is a `hidden beast` number, since 2 + 113 + 1 + 541 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 162411 + ... + 174938.

Almost surely, 2^2113154136 is an apocalyptic number.

It is an amenable number.

2113154136 is an abundant number, since it is smaller than the sum of its proper divisors (3959145864).

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

2113154136 is a wasteful number, since it uses less digits than its factorization.

2113154136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337393 (or 337383 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 2113154136 is about 45969.0562878987. The cubic root of 2113154136 is about 1283.2473971953.

Adding to 2113154136 its reverse (6314513112), we get a palindrome (8427667248).

The spelling of 2113154136 in words is "two billion, one hundred thirteen million, one hundred fifty-four thousand, one hundred thirty-six".