158727393 has 24 divisors (see below), whose sum is σ = 260994240. Its totient is φ = 92014560.

The previous prime is 158727391. The next prime is 158727433. The reversal of 158727393 is 393727851.

It is a happy number.

It is not a de Polignac number, because 158727393 - 2¹ = 158727391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158727391) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 32578 + ... + 37131.

It is an arithmetic number, because the mean of its divisors is an integer number (10874760).

Almost surely, 2^158727393 is an apocalyptic number.

It is an amenable number.

158727393 is a deficient number, since it is larger than the sum of its proper divisors (102266847).

158727393 is a wasteful number, since it uses less digits than its factorization.

158727393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69749 (or 69746 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 158727393 is about 12598.7060049832. The cubic root of 158727393 is about 541.4403624696.

The spelling of 158727393 in words is "one hundred fifty-eight million, seven hundred twenty-seven thousand, three hundred ninety-three".