1115136154 has 32 divisors (see below), whose sum is σ = 1895104512. Its totient is φ = 487542000.

The previous prime is 1115136109. The next prime is 1115136173. The reversal of 1115136154 is 4516315111.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108999 + ... + 118789.

It is an arithmetic number, because the mean of its divisors is an integer number (59222016).

Almost surely, 2^1115136154 is an apocalyptic number.

1115136154 is a deficient number, since it is larger than the sum of its proper divisors (779968358).

1115136154 is a wasteful number, since it uses less digits than its factorization.

1115136154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10002.

The product of its digits is 1800, while the sum is 28.

The square root of 1115136154 is about 33393.6543972055. The cubic root of 1115136154 is about 1036.9933358881.

The spelling of 1115136154 in words is "one billion, one hundred fifteen million, one hundred thirty-six thousand, one hundred fifty-four".