135974799 has 6 divisors (see below), whose sum is σ = 196408056. Its totient is φ = 90649860.

The previous prime is 135974791. The next prime is 135974801. The reversal of 135974799 is 997479531.

It is a happy number.

135974799 is a `hidden beast` number, since 1 + 3 + 597 + 47 + 9 + 9 = 666.

It is not a de Polignac number, because 135974799 - 2³ = 135974791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135974791) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7554147 + ... + 7554164.

It is an arithmetic number, because the mean of its divisors is an integer number (32734676).

Almost surely, 2^135974799 is an apocalyptic number.

135974799 is a deficient number, since it is larger than the sum of its proper divisors (60433257).

135974799 is a wasteful number, since it uses less digits than its factorization.

135974799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15108317 (or 15108314 counting only the distinct ones).

The product of its digits is 2143260, while the sum is 54.

The square root of 135974799 is about 11660.8232556711. The cubic root of 135974799 is about 514.2245520188.

The spelling of 135974799 in words is "one hundred thirty-five million, nine hundred seventy-four thousand, seven hundred ninety-nine".