158630539 has 2 divisors, whose sum is σ = 158630540. Its totient is φ = 158630538.

The previous prime is 158630509. The next prime is 158630573. The reversal of 158630539 is 935036851.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 158630539 - 2⁹ = 158630027 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (158630509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79315269 + 79315270.

It is an arithmetic number, because the mean of its divisors is an integer number (79315270).

Almost surely, 2^158630539 is an apocalyptic number.

158630539 is a deficient number, since it is larger than the sum of its proper divisors (1).

158630539 is an equidigital number, since it uses as much as digits as its factorization.

158630539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 158630539 is about 12594.8616109904. The cubic root of 158630539 is about 541.3302127474.

The spelling of 158630539 in words is "one hundred fifty-eight million, six hundred thirty thousand, five hundred thirty-nine".