158987419 has 8 divisors (see below), whose sum is σ = 160107840. Its totient is φ = 157871496.

The previous prime is 158987399. The next prime is 158987441. The reversal of 158987419 is 914789851.

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 158987419 - 2¹¹ = 158985371 is a prime.

It is a super-2 number, since 2×158987419² = 50553998800563122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158987119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97392 + ... + 99010.

It is an arithmetic number, because the mean of its divisors is an integer number (20013480).

Almost surely, 2^158987419 is an apocalyptic number.

158987419 is a deficient number, since it is larger than the sum of its proper divisors (1120421).

158987419 is a wasteful number, since it uses less digits than its factorization.

158987419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249.

The product of its digits is 725760, while the sum is 52.

The square root of 158987419 is about 12609.0213339498. The cubic root of 158987419 is about 541.7358623186.

The spelling of 158987419 in words is "one hundred fifty-eight million, nine hundred eighty-seven thousand, four hundred nineteen".