1374831443 has 4 divisors (see below), whose sum is σ = 1375037400. Its totient is φ = 1374625488.

The previous prime is 1374831421. The next prime is 1374831461. The reversal of 1374831443 is 3441384731.

It is a happy number.

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 1374831443 - 2²⁸ = 1106395987 is a prime.

It is a super-2 number, since 2×1374831443² = 3780322993322924498, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1374831397 and 1374831406.

It is not an unprimeable number, because it can be changed into a prime (1374831413) 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, 92618 + ... + 106431.

It is an arithmetic number, because the mean of its divisors is an integer number (343759350).

Almost surely, 2^1374831443 is an apocalyptic number.

1374831443 is a deficient number, since it is larger than the sum of its proper divisors (205957).

1374831443 is an equidigital number, since it uses as much as digits as its factorization.

1374831443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205956.

The product of its digits is 96768, while the sum is 38.

The square root of 1374831443 is about 37078.7195436951. The cubic root of 1374831443 is about 1111.9446049536.

The spelling of 1374831443 in words is "one billion, three hundred seventy-four million, eight hundred thirty-one thousand, four hundred forty-three".