136591516407 has 16 divisors (see below), whose sum is σ = 185287426560. Its totient is φ = 89481208800.

The previous prime is 136591516387. The next prime is 136591516417. The reversal of 136591516407 is 704615195631.

It is a happy number.

It is not a de Polignac number, because 136591516407 - 2¹⁶ = 136591450871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136591516417) 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, 173307 + ... + 550652.

It is an arithmetic number, because the mean of its divisors is an integer number (11580464160).

Almost surely, 2^136591516407 is an apocalyptic number.

136591516407 is a deficient number, since it is larger than the sum of its proper divisors (48695910153).

136591516407 is a wasteful number, since it uses less digits than its factorization.

136591516407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725054.

The product of its (nonzero) digits is 680400, while the sum is 48.

The spelling of 136591516407 in words is "one hundred thirty-six billion, five hundred ninety-one million, five hundred sixteen thousand, four hundred seven".