138037415 has 8 divisors (see below), whose sum is σ = 165885408. Its totient is φ = 110269600.

The previous prime is 138037397. The next prime is 138037423. The reversal of 138037415 is 514730831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 138037415 - 2⁶ = 138037351 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 7 ways as a sum of consecutive naturals, for example, 16187 + ... + 23196.

It is an arithmetic number, because the mean of its divisors is an integer number (20735676).

Almost surely, 2^138037415 is an apocalyptic number.

138037415 is a deficient number, since it is larger than the sum of its proper divisors (27847993).

138037415 is an equidigital number, since it uses as much as digits as its factorization.

138037415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40089.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 138037415 is about 11748.9325047002. The cubic root of 138037415 is about 516.8116233344.

The spelling of 138037415 in words is "one hundred thirty-eight million, thirty-seven thousand, four hundred fifteen".