38180137 has 4 divisors (see below), whose sum is σ = 38480896. Its totient is φ = 37879380.

The previous prime is 38180123. The next prime is 38180141. The reversal of 38180137 is 73108183.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38180137 is a prime.

It is a super-2 number, since 2×38180137² = 2915445722677538, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38180099 and 38180108.

It is not an unprimeable number, because it can be changed into a prime (38180237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150189 + ... + 150442.

It is an arithmetic number, because the mean of its divisors is an integer number (9620224).

Almost surely, 2^38180137 is an apocalyptic number.

It is an amenable number.

38180137 is a deficient number, since it is larger than the sum of its proper divisors (300759).

38180137 is a wasteful number, since it uses less digits than its factorization.

38180137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300758.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 38180137 is about 6179.0077682424. The cubic root of 38180137 is about 336.7279456907.

The spelling of 38180137 in words is "thirty-eight million, one hundred eighty thousand, one hundred thirty-seven".