368189140 has 48 divisors (see below), whose sum is σ = 851425344. Its totient is φ = 132627200.

The previous prime is 368189123. The next prime is 368189141. The reversal of 368189140 is 41981863.

It is a junction number, because it is equal to n+sod(n) for n = 368189093 and 368189102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368189141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15720 + ... + 31360.

It is an arithmetic number, because the mean of its divisors is an integer number (17738028).

Almost surely, 2^368189140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 368189140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (425712672).

368189140 is an abundant number, since it is smaller than the sum of its proper divisors (483236204).

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

368189140 is a wasteful number, since it uses less digits than its factorization.

368189140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15768 (or 15766 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 368189140 is about 19188.2552620086. The cubic root of 368189140 is about 716.7323244935.

The spelling of 368189140 in words is "three hundred sixty-eight million, one hundred eighty-nine thousand, one hundred forty".