158913086 has 4 divisors (see below), whose sum is σ = 238369632. Its totient is φ = 79456542.

The previous prime is 158913077. The next prime is 158913091. The reversal of 158913086 is 680319851.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 680319851 = 37 ⋅18387023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39728270 + ... + 39728273.

It is an arithmetic number, because the mean of its divisors is an integer number (59592408).

Almost surely, 2^158913086 is an apocalyptic number.

158913086 is a deficient number, since it is larger than the sum of its proper divisors (79456546).

158913086 is an equidigital number, since it uses as much as digits as its factorization.

158913086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79456545.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 158913086 is about 12606.0733775431. The cubic root of 158913086 is about 541.6514214039.

The spelling of 158913086 in words is "one hundred fifty-eight million, nine hundred thirteen thousand, eighty-six".