136557224730407 has 16 divisors (see below), whose sum is σ = 151806337175808. Its totient is φ = 121985970243840.

The previous prime is 136557224730317. The next prime is 136557224730473. The reversal of 136557224730407 is 704037422755631.

It is a cyclic number.

It is not a de Polignac number, because 136557224730407 - 2¹² = 136557224726311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136557224030407) 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, 88114673 + ... + 89651045.

It is an arithmetic number, because the mean of its divisors is an integer number (9487896073488).

Almost surely, 2^{136557224730407} is an apocalyptic number.

136557224730407 is a deficient number, since it is larger than the sum of its proper divisors (15249112445401).

136557224730407 is a wasteful number, since it uses less digits than its factorization.

136557224730407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756970.

The product of its (nonzero) digits is 29635200, while the sum is 56.

The spelling of 136557224730407 in words is "one hundred thirty-six trillion, five hundred fifty-seven billion, two hundred twenty-four million, seven hundred thirty thousand, four hundred seven".