158238130 has 16 divisors (see below), whose sum is σ = 285350040. Its totient is φ = 63179392.

The previous prime is 158238107. The next prime is 158238131. The reversal of 158238130 is 31832851.

158238130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 102839881 + 55398249 = 10141^2 + 7443^2 .

It is a junction number, because it is equal to n+sod(n) for n = 158238092 and 158238101.

It is not an unprimeable number, because it can be changed into a prime (158238131) 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, 8635 + ... + 19774.

Almost surely, 2^158238130 is an apocalyptic number.

158238130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158238130 is a deficient number, since it is larger than the sum of its proper divisors (127111910).

158238130 is a wasteful number, since it uses less digits than its factorization.

158238130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28973.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 158238130 is about 12579.2738264178. The cubic root of 158238130 is about 540.8834760539.

The spelling of 158238130 in words is "one hundred fifty-eight million, two hundred thirty-eight thousand, one hundred thirty".