138462048 has 60 divisors (see below), whose sum is σ = 407220660. Its totient is φ = 46153152.

The previous prime is 138462031. The next prime is 138462053. The reversal of 138462048 is 840264831.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 24118 + ... + 29301.

It is an arithmetic number, because the mean of its divisors is an integer number (6787011).

Almost surely, 2^138462048 is an apocalyptic number.

138462048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

138462048 is an abundant number, since it is smaller than the sum of its proper divisors (268758612).

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

138462048 is an equidigital number, since it uses as much as digits as its factorization.

138462048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53441 (or 53424 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 138462048 is about 11766.9897594924. The cubic root of 138462048 is about 517.3410223701.

The spelling of 138462048 in words is "one hundred thirty-eight million, four hundred sixty-two thousand, forty-eight".