137832018 has 8 divisors (see below), whose sum is σ = 275664048. Its totient is φ = 45944004.

The previous prime is 137831963. The next prime is 137832049. The reversal of 137832018 is 810238731.

137832018 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

137832018 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 137832018.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11485996 + ... + 11486007.

It is an arithmetic number, because the mean of its divisors is an integer number (34458006).

Almost surely, 2^137832018 is an apocalyptic number.

137832018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

137832018 is a wasteful number, since it uses less digits than its factorization.

137832018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22972008.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 137832018 is about 11740.1881586285. The cubic root of 137832018 is about 516.5551608599. Note that the first 3 decimals are identical.

The spelling of 137832018 in words is "one hundred thirty-seven million, eight hundred thirty-two thousand, eighteen".