158138259009 has 8 divisors (see below), whose sum is σ = 212898109632. Its totient is φ = 104401957200.

The previous prime is 158138259001. The next prime is 158138259011. The reversal of 158138259009 is 900952831851.

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

It is not a de Polignac number, because 158138259009 - 2³ = 158138259001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158138259001) 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, 255886842 + ... + 255887459.

It is an arithmetic number, because the mean of its divisors is an integer number (26612263704).

Almost surely, 2^158138259009 is an apocalyptic number.

It is an amenable number.

158138259009 is a deficient number, since it is larger than the sum of its proper divisors (54759850623).

158138259009 is a wasteful number, since it uses less digits than its factorization.

158138259009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511774407.

The product of its (nonzero) digits is 777600, while the sum is 51.

The spelling of 158138259009 in words is "one hundred fifty-eight billion, one hundred thirty-eight million, two hundred fifty-nine thousand, nine".