403138914 has 16 divisors (see below), whose sum is σ = 807269760. Its totient is φ = 134214320.

The previous prime is 403138909. The next prime is 403138919. The reversal of 403138914 is 419831304.

It is an interprime number because it is at equal distance from previous prime (403138909) and next prime (403138919).

It is not an unprimeable number, because it can be changed into a prime (403138919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35994 + ... + 45845.

It is an arithmetic number, because the mean of its divisors is an integer number (50454360).

Almost surely, 2^403138914 is an apocalyptic number.

403138914 is an abundant number, since it is smaller than the sum of its proper divisors (404130846).

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

403138914 is a wasteful number, since it uses less digits than its factorization.

403138914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82665.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 403138914 is about 20078.3195013925. The cubic root of 403138914 is about 738.7285898840.

The spelling of 403138914 in words is "four hundred three million, one hundred thirty-eight thousand, nine hundred fourteen".