158939995 has 8 divisors (see below), whose sum is σ = 191438640. Its totient is φ = 126678240.

The previous prime is 158939933. The next prime is 158939999. The reversal of 158939995 is 599939851.

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

It is not a de Polignac number, because 158939995 - 2¹⁵ = 158907227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158939999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57741 + ... + 60430.

It is an arithmetic number, because the mean of its divisors is an integer number (23929830).

Almost surely, 2^158939995 is an apocalyptic number.

158939995 is a deficient number, since it is larger than the sum of its proper divisors (32498645).

158939995 is a wasteful number, since it uses less digits than its factorization.

158939995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118445.

The product of its digits is 3936600, while the sum is 58.

The square root of 158939995 is about 12607.1406353701. The cubic root of 158939995 is about 541.6819925710.

The spelling of 158939995 in words is "one hundred fifty-eight million, nine hundred thirty-nine thousand, nine hundred ninety-five".