158213487 has 8 divisors (see below), whose sum is σ = 212045104. Its totient is φ = 104928768.

The previous prime is 158213483. The next prime is 158213501. The reversal of 158213487 is 784312851.

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

It is not a de Polignac number, because 158213487 - 2² = 158213483 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 (158213483) 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, 136048 + ... + 137205.

It is an arithmetic number, because the mean of its divisors is an integer number (26505638).

Almost surely, 2^158213487 is an apocalyptic number.

158213487 is a deficient number, since it is larger than the sum of its proper divisors (53831617).

158213487 is a wasteful number, since it uses less digits than its factorization.

158213487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273449.

The product of its digits is 53760, while the sum is 39.

The square root of 158213487 is about 12578.2942802273. The cubic root of 158213487 is about 540.8553966786.

The spelling of 158213487 in words is "one hundred fifty-eight million, two hundred thirteen thousand, four hundred eighty-seven".