118396137 has 4 divisors (see below), whose sum is σ = 157861520. Its totient is φ = 78930756.

The previous prime is 118396133. The next prime is 118396141. The reversal of 118396137 is 731693811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (118396133) and next prime (118396141).

It is not a de Polignac number, because 118396137 - 2² = 118396133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118396095 and 118396104.

It is not an unprimeable number, because it can be changed into a prime (118396133) 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, 19732687 + ... + 19732692.

It is an arithmetic number, because the mean of its divisors is an integer number (39465380).

Almost surely, 2^118396137 is an apocalyptic number.

It is an amenable number.

118396137 is a deficient number, since it is larger than the sum of its proper divisors (39465383).

118396137 is an equidigital number, since it uses as much as digits as its factorization.

118396137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39465382.

The product of its digits is 27216, while the sum is 39.

The square root of 118396137 is about 10880.9988971601. The cubic root of 118396137 is about 491.0350700778.

The spelling of 118396137 in words is "one hundred eighteen million, three hundred ninety-six thousand, one hundred thirty-seven".