137798927 has 6 divisors (see below), whose sum is σ = 160296768. Its totient is φ = 118113324.

The previous prime is 137798897. The next prime is 137798933. The reversal of 137798927 is 729897731.

It is not a de Polignac number, because 137798927 - 2⁸ = 137798671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137798977) 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 5 ways as a sum of consecutive naturals, for example, 1406063 + ... + 1406160.

It is an arithmetic number, because the mean of its divisors is an integer number (26716128).

Almost surely, 2^137798927 is an apocalyptic number.

137798927 is a deficient number, since it is larger than the sum of its proper divisors (22497841).

137798927 is an equidigital number, since it uses as much as digits as its factorization.

137798927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2812237 (or 2812230 counting only the distinct ones).

The product of its digits is 1333584, while the sum is 53.

The square root of 137798927 is about 11738.7787695314. The cubic root of 137798927 is about 516.5138190024.

The spelling of 137798927 in words is "one hundred thirty-seven million, seven hundred ninety-eight thousand, nine hundred twenty-seven".