158125407 has 16 divisors (see below), whose sum is σ = 230401920. Its totient is φ = 95666400.

The previous prime is 158125393. The next prime is 158125433. The reversal of 158125407 is 704521851.

It is not a de Polignac number, because 158125407 - 2¹¹ = 158123359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158125477) 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 15 ways as a sum of consecutive naturals, for example, 16557 + ... + 24297.

It is an arithmetic number, because the mean of its divisors is an integer number (14400120).

Almost surely, 2^158125407 is an apocalyptic number.

158125407 is a deficient number, since it is larger than the sum of its proper divisors (72276513).

158125407 is a wasteful number, since it uses less digits than its factorization.

158125407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8374.

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 158125407 is about 12574.7925231393. The cubic root of 158125407 is about 540.7550104066.

The spelling of 158125407 in words is "one hundred fifty-eight million, one hundred twenty-five thousand, four hundred seven".