1401099995 has 16 divisors (see below), whose sum is σ = 1785486240. Its totient is φ = 1052481024.

The previous prime is 1401099989. The next prime is 1401100021. The reversal of 1401099995 is 5999901041.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401099995 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54524 + ... + 75993.

It is an arithmetic number, because the mean of its divisors is an integer number (111592890).

Almost surely, 2^1401099995 is an apocalyptic number.

1401099995 is a deficient number, since it is larger than the sum of its proper divisors (384386245).

1401099995 is a wasteful number, since it uses less digits than its factorization.

1401099995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130654.

The product of its (nonzero) digits is 131220, while the sum is 47.

The square root of 1401099995 is about 37431.2702830134. The cubic root of 1401099995 is about 1118.9818540094.

The spelling of 1401099995 in words is "one billion, four hundred one million, ninety-nine thousand, nine hundred ninety-five".