138362455 has 32 divisors (see below), whose sum is σ = 213700608. Its totient is φ = 83462400.

The previous prime is 138362431. The next prime is 138362479. The reversal of 138362455 is 554263831.

It is an interprime number because it is at equal distance from previous prime (138362431) and next prime (138362479).

It is not a de Polignac number, because 138362455 - 2⁵ = 138362423 is a prime.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6139 + ... + 17731.

It is an arithmetic number, because the mean of its divisors is an integer number (6678144).

Almost surely, 2^138362455 is an apocalyptic number.

138362455 is a deficient number, since it is larger than the sum of its proper divisors (75338153).

138362455 is a wasteful number, since it uses less digits than its factorization.

138362455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11647.

The product of its digits is 86400, while the sum is 37.

The square root of 138362455 is about 11762.7571172748. The cubic root of 138362455 is about 517.2169549128.

The spelling of 138362455 in words is "one hundred thirty-eight million, three hundred sixty-two thousand, four hundred fifty-five".