136501405 has 16 divisors (see below), whose sum is σ = 171849600. Its totient is φ = 103942720.

The previous prime is 136501403. The next prime is 136501441. The reversal of 136501405 is 504105631.

It is not a de Polignac number, because 136501405 - 2¹ = 136501403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136501405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136501403) 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, 3666 + ... + 16924.

It is an arithmetic number, because the mean of its divisors is an integer number (10740600).

Almost surely, 2^136501405 is an apocalyptic number.

It is an amenable number.

136501405 is a deficient number, since it is larger than the sum of its proper divisors (35348195).

136501405 is a wasteful number, since it uses less digits than its factorization.

136501405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13364.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 136501405 is about 11683.3815738424. The cubic root of 136501405 is about 514.8875300317.

The spelling of 136501405 in words is "one hundred thirty-six million, five hundred one thousand, four hundred five".