136940507 has 8 divisors (see below), whose sum is σ = 149722032. Its totient is φ = 124214400.

The previous prime is 136940497. The next prime is 136940521. The reversal of 136940507 is 705049631.

136940507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136940507 - 2⁶ = 136940443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136940527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8594 + ... + 18647.

It is an arithmetic number, because the mean of its divisors is an integer number (18715254).

Almost surely, 2^136940507 is an apocalyptic number.

136940507 is a deficient number, since it is larger than the sum of its proper divisors (12781525).

136940507 is a wasteful number, since it uses less digits than its factorization.

136940507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27709.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 136940507 is about 11702.1582197473. The cubic root of 136940507 is about 515.4390411984.

The spelling of 136940507 in words is "one hundred thirty-six million, nine hundred forty thousand, five hundred seven".