136840500525 has 24 divisors (see below), whose sum is σ = 227015157600. Its totient is φ = 72732504640.

The previous prime is 136840500509. The next prime is 136840500539. The reversal of 136840500525 is 525005048631.

It is not a de Polignac number, because 136840500525 - 2⁴ = 136840500509 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3091575 + ... + 3135524.

It is an arithmetic number, because the mean of its divisors is an integer number (9458964900).

Almost surely, 2^136840500525 is an apocalyptic number.

136840500525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136840500525 is a deficient number, since it is larger than the sum of its proper divisors (90174657075).

136840500525 is a wasteful number, since it uses less digits than its factorization.

136840500525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6227405 (or 6227400 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 136840500525 in words is "one hundred thirty-six billion, eight hundred forty million, five hundred thousand, five hundred twenty-five".