158956534 has 16 divisors (see below), whose sum is σ = 261773136. Its totient is φ = 71791200.

The previous prime is 158956531. The next prime is 158956541. The reversal of 158956534 is 435659851.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158956531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19557 + ... + 26464.

It is an arithmetic number, because the mean of its divisors is an integer number (16360821).

Almost surely, 2^158956534 is an apocalyptic number.

158956534 is a deficient number, since it is larger than the sum of its proper divisors (102816602).

158956534 is a wasteful number, since it uses less digits than its factorization.

158956534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46191.

The product of its digits is 648000, while the sum is 46.

The square root of 158956534 is about 12607.7965560997. The cubic root of 158956534 is about 541.7007807259.

The spelling of 158956534 in words is "one hundred fifty-eight million, nine hundred fifty-six thousand, five hundred thirty-four".