117200137 has 4 divisors (see below), whose sum is σ = 119186640. Its totient is φ = 115213636.

The previous prime is 117200131. The next prime is 117200143. The reversal of 117200137 is 731002711.

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 (117200131) and next prime (117200143).

It is a cyclic number.

It is not a de Polignac number, because 117200137 - 2³ = 117200129 is a prime.

It is a super-2 number, since 2×117200137² = 27471744225637538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117200131) 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, 993163 + ... + 993280.

It is an arithmetic number, because the mean of its divisors is an integer number (29796660).

Almost surely, 2^117200137 is an apocalyptic number.

It is an amenable number.

117200137 is a deficient number, since it is larger than the sum of its proper divisors (1986503).

117200137 is an equidigital number, since it uses as much as digits as its factorization.

117200137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986502.

The product of its (nonzero) digits is 294, while the sum is 22.

The square root of 117200137 is about 10825.9012095991. The cubic root of 117200137 is about 489.3760446232.

Adding to 117200137 its reverse (731002711), we get a palindrome (848202848).

The spelling of 117200137 in words is "one hundred seventeen million, two hundred thousand, one hundred thirty-seven".