1340372319 has 32 divisors (see below), whose sum is σ = 2130987264. Its totient is φ = 738650880.

The previous prime is 1340372303. The next prime is 1340372321. The reversal of 1340372319 is 9132730431.

It is not a de Polignac number, because 1340372319 - 2⁴ = 1340372303 is a prime.

It is a super-2 number, since 2×1340372319² = 3593195907082875522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 1340372319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340372339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5427 + ... + 52059.

It is an arithmetic number, because the mean of its divisors is an integer number (66593352).

Almost surely, 2^1340372319 is an apocalyptic number.

1340372319 is a deficient number, since it is larger than the sum of its proper divisors (790614945).

1340372319 is a wasteful number, since it uses less digits than its factorization.

1340372319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46727.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 1340372319 is about 36611.0955722442. The cubic root of 1340372319 is about 1102.5758694401.

The spelling of 1340372319 in words is "one billion, three hundred forty million, three hundred seventy-two thousand, three hundred nineteen".