1343638274 has 8 divisors (see below), whose sum is σ = 2198680848. Its totient is φ = 610744660.

The previous prime is 1343638273. The next prime is 1343638291. The reversal of 1343638274 is 4728363431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1343638274² = 3610727622715398152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1343638273) 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, 30537212 + ... + 30537255.

It is an arithmetic number, because the mean of its divisors is an integer number (274835106).

Almost surely, 2^1343638274 is an apocalyptic number.

1343638274 is a deficient number, since it is larger than the sum of its proper divisors (855042574).

1343638274 is a wasteful number, since it uses less digits than its factorization.

1343638274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61074480.

The product of its digits is 290304, while the sum is 41.

The square root of 1343638274 is about 36655.6717848684. The cubic root of 1343638274 is about 1103.4706562516.

The spelling of 1343638274 in words is "one billion, three hundred forty-three million, six hundred thirty-eight thousand, two hundred seventy-four".