1340682274 has 8 divisors (see below), whose sum is σ = 2025702828. Its totient is φ = 665448000.

The previous prime is 1340682253. The next prime is 1340682293. The reversal of 1340682274 is 4722860431.

It can be written as a sum of positive squares in 2 ways, for example, as 1176970249 + 163712025 = 34307^2 + 12795^2 .

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

It is a super-2 number, since 2×1340682274² = 3594857919635622152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2446227 + ... + 2446774.

Almost surely, 2^1340682274 is an apocalyptic number.

1340682274 is a deficient number, since it is larger than the sum of its proper divisors (685020554).

1340682274 is a wasteful number, since it uses less digits than its factorization.

1340682274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4893140.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 1340682274 is about 36615.3284021870. The cubic root of 1340682274 is about 1102.6608514409.

The spelling of 1340682274 in words is "one billion, three hundred forty million, six hundred eighty-two thousand, two hundred seventy-four".