70158137 has 8 divisors (see below), whose sum is σ = 80273472. Its totient is φ = 60066000.

The previous prime is 70158131. The next prime is 70158149. The reversal of 70158137 is 73185107.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70158137 - 2⁸ = 70157881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70158131) 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 7 ways as a sum of consecutive naturals, for example, 1262 + ... + 11912.

It is an arithmetic number, because the mean of its divisors is an integer number (10034184).

Almost surely, 2^70158137 is an apocalyptic number.

It is an amenable number.

70158137 is a deficient number, since it is larger than the sum of its proper divisors (10115335).

70158137 is a wasteful number, since it uses less digits than its factorization.

70158137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11599.

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 70158137 is about 8376.0454272885. The cubic root of 70158137 is about 412.4386430931.

The spelling of 70158137 in words is "seventy million, one hundred fifty-eight thousand, one hundred thirty-seven".