1401099994 has 16 divisors (see below), whose sum is σ = 2479366656. Its totient is φ = 581101200.

The previous prime is 1401099989. The next prime is 1401100021. The reversal of 1401099994 is 4999901041.

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, 1613737 + ... + 1614604.

It is an arithmetic number, because the mean of its divisors is an integer number (154960416).

Almost surely, 2^1401099994 is an apocalyptic number.

1401099994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1401099994 is a deficient number, since it is larger than the sum of its proper divisors (1078266662).

1401099994 is a wasteful number, since it uses less digits than its factorization.

1401099994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3228381.

The product of its (nonzero) digits is 104976, while the sum is 46.

The square root of 1401099994 is about 37431.2702696556. The cubic root of 1401099994 is about 1118.9818537431.

The spelling of 1401099994 in words is "one billion, four hundred one million, ninety-nine thousand, nine hundred ninety-four".