137799927 has 8 divisors (see below), whose sum is σ = 204148080. Its totient is φ = 91866600.

The previous prime is 137799917. The next prime is 137799973. The reversal of 137799927 is 729997731.

It is a happy number.

It is not a de Polignac number, because 137799927 - 2¹⁹ = 137275639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137799917) 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, 2551824 + ... + 2551877.

It is an arithmetic number, because the mean of its divisors is an integer number (25518510).

Almost surely, 2^137799927 is an apocalyptic number.

137799927 is a deficient number, since it is larger than the sum of its proper divisors (66348153).

137799927 is an equidigital number, since it uses as much as digits as its factorization.

137799927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5103710 (or 5103704 counting only the distinct ones).

The product of its digits is 1500282, while the sum is 54.

The square root of 137799927 is about 11738.8213633226. The cubic root of 137799927 is about 516.5150684378.

The spelling of 137799927 in words is "one hundred thirty-seven million, seven hundred ninety-nine thousand, nine hundred twenty-seven".