135937699 has 4 divisors (see below), whose sum is σ = 136044936. Its totient is φ = 135830464.

The previous prime is 135937639. The next prime is 135937709. The reversal of 135937699 is 996739531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 996739531 = 8369 ⋅119099.

It is a cyclic number.

It is not a de Polignac number, because 135937699 - 2¹⁵ = 135904931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135937619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51694 + ... + 54259.

It is an arithmetic number, because the mean of its divisors is an integer number (34011234).

Almost surely, 2^135937699 is an apocalyptic number.

135937699 is a deficient number, since it is larger than the sum of its proper divisors (107237).

135937699 is a wasteful number, since it uses less digits than its factorization.

135937699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107236.

The product of its digits is 1377810, while the sum is 52.

The square root of 135937699 is about 11659.2323503737. The cubic root of 135937699 is about 514.1777799542.

The spelling of 135937699 in words is "one hundred thirty-five million, nine hundred thirty-seven thousand, six hundred ninety-nine".