136187457847 has 16 divisors (see below), whose sum is σ = 157244774400. Its totient is φ = 115536688992.

The previous prime is 136187457829. The next prime is 136187457859. The reversal of 136187457847 is 748754781631.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 136187457847 - 2⁷ = 136187457719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136187457877) 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, 17904 + ... + 522202.

It is an arithmetic number, because the mean of its divisors is an integer number (9827798400).

Almost surely, 2^136187457847 is an apocalyptic number.

136187457847 is a deficient number, since it is larger than the sum of its proper divisors (21057316553).

136187457847 is a wasteful number, since it uses less digits than its factorization.

136187457847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504702.

The product of its digits is 31610880, while the sum is 61.

The spelling of 136187457847 in words is "one hundred thirty-six billion, one hundred eighty-seven million, four hundred fifty-seven thousand, eight hundred forty-seven".