137494799 has 4 divisors (see below), whose sum is σ = 148071336. Its totient is φ = 126918264.

The previous prime is 137494783. The next prime is 137494801. The reversal of 137494799 is 997494731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 997494731 = 113 ⋅8827387.

It is a cyclic number.

It is not a de Polignac number, because 137494799 - 2⁴ = 137494783 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137494799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137494099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5288249 + ... + 5288274.

It is an arithmetic number, because the mean of its divisors is an integer number (37017834).

Almost surely, 2^137494799 is an apocalyptic number.

137494799 is a deficient number, since it is larger than the sum of its proper divisors (10576537).

137494799 is a wasteful number, since it uses less digits than its factorization.

137494799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10576536.

The product of its digits is 1714608, while the sum is 53.

The square root of 137494799 is about 11725.8176260762. The cubic root of 137494799 is about 516.1335499020.

The spelling of 137494799 in words is "one hundred thirty-seven million, four hundred ninety-four thousand, seven hundred ninety-nine".