158131369 has 8 divisors (see below), whose sum is σ = 172605312. Its totient is φ = 143673840.

The previous prime is 158131367. The next prime is 158131397. The reversal of 158131369 is 963131851.

158131369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 158131369 - 2¹ = 158131367 is a prime.

It is a super-2 number, since 2×158131369² = 50011059723628322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (158131361) 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, 25147 + ... + 30799.

It is an arithmetic number, because the mean of its divisors is an integer number (21575664).

Almost surely, 2^158131369 is an apocalyptic number.

It is an amenable number.

158131369 is a deficient number, since it is larger than the sum of its proper divisors (14473943).

158131369 is a wasteful number, since it uses less digits than its factorization.

158131369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8207.

The product of its digits is 19440, while the sum is 37.

The square root of 158131369 is about 12575.0295824702. The cubic root of 158131369 is about 540.7618065753.

The spelling of 158131369 in words is "one hundred fifty-eight million, one hundred thirty-one thousand, three hundred sixty-nine".