158340911 has 4 divisors (see below), whose sum is σ = 159742272. Its totient is φ = 156939552.

The previous prime is 158340887. The next prime is 158340913. The reversal of 158340911 is 119043851.

158340911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 119043851 = 1657 ⋅71843.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158340911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158340913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 700511 + ... + 700736.

It is an arithmetic number, because the mean of its divisors is an integer number (39935568).

Almost surely, 2^158340911 is an apocalyptic number.

158340911 is a deficient number, since it is larger than the sum of its proper divisors (1401361).

158340911 is a wasteful number, since it uses less digits than its factorization.

158340911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401360.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 158340911 is about 12583.3584944561. The cubic root of 158340911 is about 541.0005580587. Note that the first 3 decimals are identical.

The spelling of 158340911 in words is "one hundred fifty-eight million, three hundred forty thousand, nine hundred eleven".