136204509149 has 8 divisors (see below), whose sum is σ = 136385958912. Its totient is φ = 136023112080.

The previous prime is 136204509101. The next prime is 136204509191. The reversal of 136204509149 is 941905402631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136204509149 - 2³² = 131909541853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136204509449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9436352 + ... + 9450774.

It is an arithmetic number, because the mean of its divisors is an integer number (17048244864).

Almost surely, 2^136204509149 is an apocalyptic number.

It is an amenable number.

136204509149 is a deficient number, since it is larger than the sum of its proper divisors (181449763).

136204509149 is a wasteful number, since it uses less digits than its factorization.

136204509149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26347.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 136204509149 in words is "one hundred thirty-six billion, two hundred four million, five hundred nine thousand, one hundred forty-nine".