138201744 has 40 divisors (see below), whose sum is σ = 375814240. Its totient is φ = 43642368.

The previous prime is 138201727. The next prime is 138201773. The reversal of 138201744 is 447102831.

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 7 ways as a sum of consecutive naturals, for example, 74857 + ... + 76680.

It is an arithmetic number, because the mean of its divisors is an integer number (9395356).

Almost surely, 2^138201744 is an apocalyptic number.

It is an amenable number.

138201744 is an abundant number, since it is smaller than the sum of its proper divisors (237612496).

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

138201744 is a wasteful number, since it uses less digits than its factorization.

138201744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151567 (or 151561 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 138201744 is about 11755.9237833528. The cubic root of 138201744 is about 517.0166244169.

The spelling of 138201744 in words is "one hundred thirty-eight million, two hundred one thousand, seven hundred forty-four".