136537473 has 16 divisors (see below), whose sum is σ = 185158656. Its totient is φ = 89478480.

The previous prime is 136537469. The next prime is 136537483. The reversal of 136537473 is 374735631.

It is a happy number.

It is not a de Polignac number, because 136537473 - 2² = 136537469 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136537463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93636 + ... + 95082.

It is an arithmetic number, because the mean of its divisors is an integer number (11572416).

Almost surely, 2^136537473 is an apocalyptic number.

It is an amenable number.

136537473 is a deficient number, since it is larger than the sum of its proper divisors (48621183).

136537473 is a wasteful number, since it uses less digits than its factorization.

136537473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964.

The product of its digits is 158760, while the sum is 39.

The square root of 136537473 is about 11684.9250318519. The cubic root of 136537473 is about 514.9328759092.

The spelling of 136537473 in words is "one hundred thirty-six million, five hundred thirty-seven thousand, four hundred seventy-three".