138760995 has 8 divisors (see below), whose sum is σ = 222017616. Its totient is φ = 74005856.

The previous prime is 138760981. The next prime is 138761071. The reversal of 138760995 is 599067831.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-138760995 is a prime.

It is a super-2 number, since 2×138760995² = 38509227466780050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4625352 + ... + 4625381.

It is an arithmetic number, because the mean of its divisors is an integer number (27752202).

Almost surely, 2^138760995 is an apocalyptic number.

138760995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

138760995 is a deficient number, since it is larger than the sum of its proper divisors (83256621).

138760995 is an equidigital number, since it uses as much as digits as its factorization.

138760995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9250741.

The product of its (nonzero) digits is 408240, while the sum is 48.

The square root of 138760995 is about 11779.6856919020. The cubic root of 138760995 is about 517.7130770896.

The spelling of 138760995 in words is "one hundred thirty-eight million, seven hundred sixty thousand, nine hundred ninety-five".