117735157 has 4 divisors (see below), whose sum is σ = 121795020. Its totient is φ = 113675296.

The previous prime is 117735143. The next prime is 117735173. The reversal of 117735157 is 751537711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 89283601 + 28451556 = 9449^2 + 5334^2 .

It is a cyclic number.

It is not a de Polignac number, because 117735157 - 2⁷ = 117735029 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 (117739157) 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, 2029888 + ... + 2029945.

It is an arithmetic number, because the mean of its divisors is an integer number (30448755).

Almost surely, 2^117735157 is an apocalyptic number.

It is an amenable number.

117735157 is a deficient number, since it is larger than the sum of its proper divisors (4059863).

117735157 is an equidigital number, since it uses as much as digits as its factorization.

117735157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4059862.

The product of its digits is 25725, while the sum is 37.

The square root of 117735157 is about 10850.5832562125. The cubic root of 117735157 is about 490.1195834749.

The spelling of 117735157 in words is "one hundred seventeen million, seven hundred thirty-five thousand, one hundred fifty-seven".