1372345019 has 4 divisors (see below), whose sum is σ = 1372462344. Its totient is φ = 1372227696.

The previous prime is 1372345003. The next prime is 1372345027. The reversal of 1372345019 is 9105432731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1372345019 - 2⁴ = 1372345003 is a prime.

It is a super-2 number, since 2×1372345019² = 3766661702348220722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1372345019.

It is not an unprimeable number, because it can be changed into a prime (1372345099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38897 + ... + 65250.

It is an arithmetic number, because the mean of its divisors is an integer number (343115586).

Almost surely, 2^1372345019 is an apocalyptic number.

1372345019 is a deficient number, since it is larger than the sum of its proper divisors (117325).

1372345019 is a wasteful number, since it uses less digits than its factorization.

1372345019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117324.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 1372345019 is about 37045.1753808779. The cubic root of 1372345019 is about 1111.2738720276.

The spelling of 1372345019 in words is "one billion, three hundred seventy-two million, three hundred forty-five thousand, nineteen".