1399513419 has 24 divisors (see below), whose sum is σ = 2185436240. Its totient is φ = 860010048.

The previous prime is 1399513411. The next prime is 1399513439. The reversal of 1399513419 is 9143159931.

1399513419 is a `hidden beast` number, since 1 + 3 + 99 + 513 + 41 + 9 = 666.

It is not a de Polignac number, because 1399513419 - 2³ = 1399513411 is a prime.

It is a super-2 number, since 2×1399513419² = 3917275619922139122, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1399513411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104272 + ... + 116925.

Almost surely, 2^1399513419 is an apocalyptic number.

1399513419 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1399513419 is a deficient number, since it is larger than the sum of its proper divisors (785922821).

1399513419 is a wasteful number, since it uses less digits than its factorization.

1399513419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221259 (or 221256 counting only the distinct ones).

The product of its digits is 131220, while the sum is 45.

The square root of 1399513419 is about 37410.0710905499. The cubic root of 1399513419 is about 1118.5593240198.

The spelling of 1399513419 in words is "one billion, three hundred ninety-nine million, five hundred thirteen thousand, four hundred nineteen".