158724013 has 8 divisors (see below), whose sum is σ = 184373120. Its totient is φ = 133818480.

The previous prime is 158724001. The next prime is 158724023. The reversal of 158724013 is 310427851.

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

It is a cyclic number.

It is not a de Polignac number, because 158724013 - 2⁹ = 158723501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158724023) 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, 185433 + ... + 186286.

It is an arithmetic number, because the mean of its divisors is an integer number (23046640).

Almost surely, 2^158724013 is an apocalyptic number.

It is an amenable number.

158724013 is a deficient number, since it is larger than the sum of its proper divisors (25649107).

158724013 is an equidigital number, since it uses as much as digits as its factorization.

158724013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371787.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 158724013 is about 12598.5718635090. The cubic root of 158724013 is about 541.4365192317.

It can be divided in two parts, 1587 and 24013, that added together give a square (25600 = 160²).

The spelling of 158724013 in words is "one hundred fifty-eight million, seven hundred twenty-four thousand, thirteen".