138425495 has 16 divisors (see below), whose sum is σ = 179753952. Its totient is φ = 101727360.

The previous prime is 138425489. The next prime is 138425501. The reversal of 138425495 is 594524831.

It is an interprime number because it is at equal distance from previous prime (138425489) and next prime (138425501).

It is not a de Polignac number, because 138425495 - 2⁴ = 138425479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8669 + ... + 18761.

It is an arithmetic number, because the mean of its divisors is an integer number (11234622).

Almost surely, 2^138425495 is an apocalyptic number.

138425495 is a deficient number, since it is larger than the sum of its proper divisors (41328457).

138425495 is a wasteful number, since it uses less digits than its factorization.

138425495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10322.

The product of its digits is 172800, while the sum is 41.

The square root of 138425495 is about 11765.4364559926. The cubic root of 138425495 is about 517.2954935748.

The spelling of 138425495 in words is "one hundred thirty-eight million, four hundred twenty-five thousand, four hundred ninety-five".