1399547907903 has 8 divisors (see below), whose sum is σ = 1866506403888. Its totient is φ = 932810675264.

The previous prime is 1399547907899. The next prime is 1399547907913. The reversal of 1399547907903 is 3097097459931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1399547907903 - 2² = 1399547907899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1399547907913) 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, 55301076 + ... + 55326377.

It is an arithmetic number, because the mean of its divisors is an integer number (233313300486).

Almost surely, 2^{1399547907903} is an apocalyptic number.

1399547907903 is a deficient number, since it is larger than the sum of its proper divisors (466958495985).

1399547907903 is a wasteful number, since it uses less digits than its factorization.

1399547907903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110631673.

The product of its (nonzero) digits is 57868020, while the sum is 66.

The spelling of 1399547907903 in words is "one trillion, three hundred ninety-nine billion, five hundred forty-seven million, nine hundred seven thousand, nine hundred three".