180153138 has 16 divisors (see below), whose sum is σ = 393061536. Its totient is φ = 54591840.

The previous prime is 180153109. The next prime is 180153143. The reversal of 180153138 is 831351081.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1364731 + ... + 1364862.

It is an arithmetic number, because the mean of its divisors is an integer number (24566346).

Almost surely, 2^180153138 is an apocalyptic number.

180153138 is an abundant number, since it is smaller than the sum of its proper divisors (212908398).

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

180153138 is a wasteful number, since it uses less digits than its factorization.

180153138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2729609.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 180153138 is about 13422.1137679577. The cubic root of 180153138 is about 564.7816923588.

The spelling of 180153138 in words is "one hundred eighty million, one hundred fifty-three thousand, one hundred thirty-eight".