138414750 has 32 divisors (see below), whose sum is σ = 345485088. Its totient is φ = 36910400.

The previous prime is 138414739. The next prime is 138414763. The reversal of 138414750 is 57414831.

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, 91527 + ... + 93026.

It is an arithmetic number, because the mean of its divisors is an integer number (10796409).

Almost surely, 2^138414750 is an apocalyptic number.

138414750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138414750 is an abundant number, since it is smaller than the sum of its proper divisors (207070338).

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

138414750 is a wasteful number, since it uses less digits than its factorization.

138414750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184573 (or 184563 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 138414750 is about 11764.9798129874. The cubic root of 138414750 is about 517.2821085552.

The spelling of 138414750 in words is "one hundred thirty-eight million, four hundred fourteen thousand, seven hundred fifty".