1342976457 has 16 divisors (see below), whose sum is σ = 1902450240. Its totient is φ = 841079232.

The previous prime is 1342976423. The next prime is 1342976483. The reversal of 1342976457 is 7546792431.

It is not a de Polignac number, because 1342976457 - 2¹⁰ = 1342975433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1342976057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205383 + ... + 211820.

It is an arithmetic number, because the mean of its divisors is an integer number (118903140).

Almost surely, 2^1342976457 is an apocalyptic number.

It is an amenable number.

1342976457 is a deficient number, since it is larger than the sum of its proper divisors (559473783).

1342976457 is a wasteful number, since it uses less digits than its factorization.

1342976457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417272.

The product of its digits is 1270080, while the sum is 48.

The square root of 1342976457 is about 36646.6431887015. The cubic root of 1342976457 is about 1103.2894528256.

The spelling of 1342976457 in words is "one billion, three hundred forty-two million, nine hundred seventy-six thousand, four hundred fifty-seven".