1340074971 has 6 divisors (see below), whose sum is σ = 1935663860. Its totient is φ = 893383308.

The previous prime is 1340074961. The next prime is 1340074987. The reversal of 1340074971 is 1794700431.

It is not a de Polignac number, because 1340074971 - 2⁹ = 1340074459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340074961) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74448601 + ... + 74448618.

Almost surely, 2^1340074971 is an apocalyptic number.

1340074971 is a deficient number, since it is larger than the sum of its proper divisors (595588889).

1340074971 is a wasteful number, since it uses less digits than its factorization.

1340074971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148897225 (or 148897222 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 1340074971 is about 36607.0344469475. The cubic root of 1340074971 is about 1102.4943316536.

The spelling of 1340074971 in words is "one billion, three hundred forty million, seventy-four thousand, nine hundred seventy-one".