138740204 has 24 divisors (see below), whose sum is σ = 256379760. Its totient is φ = 65511936.

The previous prime is 138740201. The next prime is 138740207. The reversal of 138740204 is 402047831.

It is an interprime number because it is at equal distance from previous prime (138740201) and next prime (138740207).

It is not an unprimeable number, because it can be changed into a prime (138740201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22904 + ... + 28320.

It is an arithmetic number, because the mean of its divisors is an integer number (10682490).

Almost surely, 2^138740204 is an apocalyptic number.

It is an amenable number.

138740204 is a deficient number, since it is larger than the sum of its proper divisors (117639556).

138740204 is a wasteful number, since it uses less digits than its factorization.

138740204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5777 (or 5775 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 138740204 is about 11778.8031650079. The cubic root of 138740204 is about 517.6872189339.

The spelling of 138740204 in words is "one hundred thirty-eight million, seven hundred forty thousand, two hundred four".