153129894 has 32 divisors (see below), whose sum is σ = 319248384. Its totient is φ = 48911040.

The previous prime is 153129881. The next prime is 153129913. The reversal of 153129894 is 498921351.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15162 + ... + 23154.

It is an arithmetic number, because the mean of its divisors is an integer number (9976512).

Almost surely, 2^153129894 is an apocalyptic number.

153129894 is an abundant number, since it is smaller than the sum of its proper divisors (166118490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

153129894 is a wasteful number, since it uses less digits than its factorization.

153129894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8132.

The product of its digits is 77760, while the sum is 42.

The square root of 153129894 is about 12374.5664166467. The cubic root of 153129894 is about 534.9994398340. Note that the first 3 decimals are identical.

The spelling of 153129894 in words is "one hundred fifty-three million, one hundred twenty-nine thousand, eight hundred ninety-four".