366140138 has 32 divisors (see below), whose sum is σ = 699269760. Its totient is φ = 139849920.

The previous prime is 366140087. The next prime is 366140143. The reversal of 366140138 is 831041663.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29408 + ... + 39963.

It is an arithmetic number, because the mean of its divisors is an integer number (21852180).

Almost surely, 2^366140138 is an apocalyptic number.

366140138 is a deficient number, since it is larger than the sum of its proper divisors (333129622).

366140138 is a wasteful number, since it uses less digits than its factorization.

366140138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69422.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 366140138 is about 19134.7886844877. The cubic root of 366140138 is about 715.4002929128.

The spelling of 366140138 in words is "three hundred sixty-six million, one hundred forty thousand, one hundred thirty-eight".