158390134 has 16 divisors (see below), whose sum is σ = 278149536. Its totient is φ = 66225600.

The previous prime is 158390131. The next prime is 158390143. The reversal of 158390134 is 431093851.

It is a self number, because there is not a number n which added to its sum of digits gives 158390134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158390131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137397 + ... + 138544.

It is an arithmetic number, because the mean of its divisors is an integer number (17384346).

Almost surely, 2^158390134 is an apocalyptic number.

158390134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

158390134 is a deficient number, since it is larger than the sum of its proper divisors (119759402).

158390134 is a wasteful number, since it uses less digits than its factorization.

158390134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275991.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 158390134 is about 12585.3142193590. The cubic root of 158390134 is about 541.0566120318.

The spelling of 158390134 in words is "one hundred fifty-eight million, three hundred ninety thousand, one hundred thirty-four".