158407396 has 81 divisors (see below), whose sum is σ = 345096297. Its totient is φ = 63433440.

The previous prime is 158407393. The next prime is 158407429. The reversal of 158407396 is 693704851.

The square root of 158407396 is 12586.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 83064996 + 75342400 = 9114^2 + 8680^2 .

It is not an unprimeable number, because it can be changed into a prime (158407393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5109901 + ... + 5109931.

Almost surely, 2^158407396 is an apocalyptic number.

158407396 is the 12586-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158407396

158407396 is an abundant number, since it is smaller than the sum of its proper divisors (186688901).

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

158407396 is a wasteful number, since it uses less digits than its factorization.

158407396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The cubic root of 158407396 is about 541.0762668334.

The spelling of 158407396 in words is "one hundred fifty-eight million, four hundred seven thousand, three hundred ninety-six".