158877013 has 4 divisors (see below), whose sum is σ = 158910048. Its totient is φ = 158843980.

The previous prime is 158876989. The next prime is 158877041. The reversal of 158877013 is 310778851.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310778851 = 8167 ⋅38053.

It is a cyclic number.

It is not a de Polignac number, because 158877013 - 2¹³ = 158868821 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158877913) 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 3 ways as a sum of consecutive naturals, for example, 7753 + ... + 19438.

It is an arithmetic number, because the mean of its divisors is an integer number (39727512).

Almost surely, 2^158877013 is an apocalyptic number.

It is an amenable number.

158877013 is a deficient number, since it is larger than the sum of its proper divisors (33035).

158877013 is an equidigital number, since it uses as much as digits as its factorization.

158877013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33034.

The product of its (nonzero) digits is 47040, while the sum is 40.

The square root of 158877013 is about 12604.6425177392. The cubic root of 158877013 is about 541.6104336522.

The spelling of 158877013 in words is "one hundred fifty-eight million, eight hundred seventy-seven thousand, thirteen".