138462025 has 48 divisors (see below), whose sum is σ = 206236800. Its totient is φ = 91100160.

The previous prime is 138462007. The next prime is 138462031. The reversal of 138462025 is 520264831.

It is not a de Polignac number, because 138462025 - 2¹⁷ = 138330953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104316 + ... + 105634.

It is an arithmetic number, because the mean of its divisors is an integer number (4296600).

Almost surely, 2^138462025 is an apocalyptic number.

It is an amenable number.

138462025 is a deficient number, since it is larger than the sum of its proper divisors (67774775).

138462025 is a wasteful number, since it uses less digits than its factorization.

138462025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378 (or 1373 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 138462025 is about 11766.9887821821. The cubic root of 138462025 is about 517.3409937248.

The spelling of 138462025 in words is "one hundred thirty-eight million, four hundred sixty-two thousand, twenty-five".