136899154 has 32 divisors (see below), whose sum is σ = 239016960. Its totient is φ = 57598992.

The previous prime is 136899083. The next prime is 136899187. The reversal of 136899154 is 451998631.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200097 + ... + 200779.

It is an arithmetic number, because the mean of its divisors is an integer number (7469280).

Almost surely, 2^136899154 is an apocalyptic number.

136899154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

136899154 is a deficient number, since it is larger than the sum of its proper divisors (102117806).

136899154 is a wasteful number, since it uses less digits than its factorization.

136899154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934.

The product of its digits is 233280, while the sum is 46.

The square root of 136899154 is about 11700.3911900415. The cubic root of 136899154 is about 515.3871522503.

The spelling of 136899154 in words is "one hundred thirty-six million, eight hundred ninety-nine thousand, one hundred fifty-four".