136523514492 has 72 divisors (see below), whose sum is σ = 355899656112. Its totient is φ = 44094067200.

The previous prime is 136523514443. The next prime is 136523514493. The reversal of 136523514492 is 294415325631.

136523514492 is a `hidden beast` number, since 1 + 36 + 523 + 5 + 1 + 4 + 4 + 92 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136523514493) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108367 + ... + 533657.

Almost surely, 2^136523514492 is an apocalyptic number.

136523514492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136523514492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177949828056).

136523514492 is an abundant number, since it is smaller than the sum of its proper divisors (219376141620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136523514492 is a wasteful number, since it uses less digits than its factorization.

136523514492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425579 (or 425574 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The spelling of 136523514492 in words is "one hundred thirty-six billion, five hundred twenty-three million, five hundred fourteen thousand, four hundred ninety-two".