1399999995 has 24 divisors (see below), whose sum is σ = 2532175776. Its totient is φ = 714202368.

The previous prime is 1399999987. The next prime is 1400000023. The reversal of 1399999995 is 5999999931.

It is not a de Polignac number, because 1399999995 - 2³ = 1399999987 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 675294 + ... + 677363.

It is an arithmetic number, because the mean of its divisors is an integer number (105507324).

Almost surely, 2^1399999995 is an apocalyptic number.

1399999995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1399999995 is a deficient number, since it is larger than the sum of its proper divisors (1132175781).

1399999995 is a wasteful number, since it uses less digits than its factorization.

1399999995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352691 (or 1352688 counting only the distinct ones).

The product of its digits is 71744535, while the sum is 72.

The square root of 1399999995 is about 37416.5738009241. The cubic root of 1399999995 is about 1118.6889407496.

The spelling of 1399999995 in words is "one billion, three hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-five".