136723730540507 has 16 divisors (see below), whose sum is σ = 150022307524320. Its totient is φ = 123570078336000.

The previous prime is 136723730540489. The next prime is 136723730540531. The reversal of 136723730540507 is 705045037327631.

It is a cyclic number.

It is not a de Polignac number, because 136723730540507 - 2¹⁸ = 136723730278363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136723730540567) 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, 39443669 + ... + 42769737.

It is an arithmetic number, because the mean of its divisors is an integer number (9376394220270).

Almost surely, 2^{136723730540507} is an apocalyptic number.

136723730540507 is a deficient number, since it is larger than the sum of its proper divisors (13298576983813).

136723730540507 is a wasteful number, since it uses less digits than its factorization.

136723730540507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347854.

The product of its (nonzero) digits is 11113200, while the sum is 53.

The spelling of 136723730540507 in words is "one hundred thirty-six trillion, seven hundred twenty-three billion, seven hundred thirty million, five hundred forty thousand, five hundred seven".