1399452359 has 8 divisors (see below), whose sum is σ = 1485752400. Its totient is φ = 1313594496.

The previous prime is 1399452349. The next prime is 1399452367. The reversal of 1399452359 is 9532549931.

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 1399452359 - 2¹² = 1399448263 is a prime.

It is a super-2 number, since 2×1399452359² = 3916933810221329762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1399452349) 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, 104009 + ... + 116690.

It is an arithmetic number, because the mean of its divisors is an integer number (185719050).

Almost surely, 2^1399452359 is an apocalyptic number.

1399452359 is a deficient number, since it is larger than the sum of its proper divisors (86300041).

1399452359 is a wasteful number, since it uses less digits than its factorization.

1399452359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221089.

The product of its digits is 1312200, while the sum is 50.

The square root of 1399452359 is about 37409.2549912451. The cubic root of 1399452359 is about 1118.5430564074.

The spelling of 1399452359 in words is "one billion, three hundred ninety-nine million, four hundred fifty-two thousand, three hundred fifty-nine".