1387411199 has 4 divisors (see below), whose sum is σ = 1388230464. Its totient is φ = 1386591936.

The previous prime is 1387411171. The next prime is 1387411219. The reversal of 1387411199 is 9911147831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9911147831 = 13 ⋅762395987.

It is a cyclic number.

It is not a de Polignac number, because 1387411199 - 2²⁰ = 1386362623 is a prime.

It is a super-2 number, since 2×1387411199² = 3849819670221235202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1387411099) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 407087 + ... + 410480.

It is an arithmetic number, because the mean of its divisors is an integer number (347057616).

Almost surely, 2^1387411199 is an apocalyptic number.

1387411199 is a deficient number, since it is larger than the sum of its proper divisors (819265).

1387411199 is an equidigital number, since it uses as much as digits as its factorization.

1387411199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819264.

The product of its digits is 54432, while the sum is 44.

The square root of 1387411199 is about 37247.9690587286. The cubic root of 1387411199 is about 1115.3257573384.

The spelling of 1387411199 in words is "one billion, three hundred eighty-seven million, four hundred eleven thousand, one hundred ninety-nine".