138025074 has 32 divisors (see below), whose sum is σ = 318862656. Its totient is φ = 39365120.

The previous prime is 138025073. The next prime is 138025079. The reversal of 138025074 is 470520831.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (138025073) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 60387 + ... + 62630.

It is an arithmetic number, because the mean of its divisors is an integer number (9964458).

Almost surely, 2^138025074 is an apocalyptic number.

138025074 is an abundant number, since it is smaller than the sum of its proper divisors (180837582).

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

138025074 is a wasteful number, since it uses less digits than its factorization.

138025074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123050.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 138025074 is about 11748.4072963104. The cubic root of 138025074 is about 516.7962213210.

The spelling of 138025074 in words is "one hundred thirty-eight million, twenty-five thousand, seventy-four".