136513922091 has 16 divisors (see below), whose sum is σ = 191812942080. Its totient is φ = 86190447200.

The previous prime is 136513922081. The next prime is 136513922099. The reversal of 136513922091 is 190229315631.

It is a cyclic number.

It is not a de Polignac number, because 136513922091 - 2¹⁹ = 136513397803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136513922099) 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, 9787401 + ... + 9801338.

It is an arithmetic number, because the mean of its divisors is an integer number (11988308880).

Almost surely, 2^136513922091 is an apocalyptic number.

136513922091 is a deficient number, since it is larger than the sum of its proper divisors (55299019989).

136513922091 is a wasteful number, since it uses less digits than its factorization.

136513922091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19588866.

The product of its (nonzero) digits is 87480, while the sum is 42.

The spelling of 136513922091 in words is "one hundred thirty-six billion, five hundred thirteen million, nine hundred twenty-two thousand, ninety-one".