158408999394 has 8 divisors (see below), whose sum is σ = 316817998800. Its totient is φ = 52802999796.

The previous prime is 158408999339. The next prime is 158408999401. The reversal of 158408999394 is 493999804851.

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

158408999394 is an admirable number.

It is a super-2 number, since 2×158408999394² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13200749944 + ... + 13200749955.

It is an arithmetic number, because the mean of its divisors is an integer number (39602249850).

Almost surely, 2^158408999394 is an apocalyptic number.

158408999394 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158408999394 is a wasteful number, since it uses less digits than its factorization.

158408999394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26401499904.

The product of its (nonzero) digits is 100776960, while the sum is 69.

The spelling of 158408999394 in words is "one hundred fifty-eight billion, four hundred eight million, nine hundred ninety-nine thousand, three hundred ninety-four".