415138705 has 16 divisors (see below), whose sum is σ = 512354304. Its totient is φ = 322678080.

The previous prime is 415138697. The next prime is 415138709. The reversal of 415138705 is 507831514.

It is a happy number.

It is not a de Polignac number, because 415138705 - 2³ = 415138697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (415138709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195600 + ... + 197710.

It is an arithmetic number, because the mean of its divisors is an integer number (32022144).

Almost surely, 2^415138705 is an apocalyptic number.

It is an amenable number.

415138705 is a deficient number, since it is larger than the sum of its proper divisors (97215599).

415138705 is a wasteful number, since it uses less digits than its factorization.

415138705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 415138705 is about 20374.9528833811. The cubic root of 415138705 is about 745.9866841823.

The spelling of 415138705 in words is "four hundred fifteen million, one hundred thirty-eight thousand, seven hundred five".