169125130 has 16 divisors (see below), whose sum is σ = 306649800. Its totient is φ = 67155712.

The previous prime is 169125127. The next prime is 169125139. The reversal of 169125130 is 31521961.

It can be written as a sum of positive squares in 4 ways, for example, as 148084561 + 21040569 = 12169^2 + 4587^2 .

It is not an unprimeable number, because it can be changed into a prime (169125139) 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, 60355 + ... + 63094.

Almost surely, 2^169125130 is an apocalyptic number.

169125130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

169125130 is a deficient number, since it is larger than the sum of its proper divisors (137524670).

169125130 is a wasteful number, since it uses less digits than its factorization.

169125130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123593.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 169125130 is about 13004.8118017909. The cubic root of 169125130 is about 553.0139004841.

The spelling of 169125130 in words is "one hundred sixty-nine million, one hundred twenty-five thousand, one hundred thirty".