1345742260957 has 8 divisors (see below), whose sum is σ = 1352325476096. Its totient is φ = 1339163943552.

The previous prime is 1345742260949. The next prime is 1345742260963. The reversal of 1345742260957 is 7590622475431.

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

It is a cyclic number.

It is not a de Polignac number, because 1345742260957 - 2³ = 1345742260949 is a prime.

It is a super-2 number, since 2×1345742260957² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1345742260898 and 1345742260907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345742260937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672948 + ... + 1773229.

It is an arithmetic number, because the mean of its divisors is an integer number (169040684512).

Almost surely, 2^{1345742260957} is an apocalyptic number.

It is an amenable number.

1345742260957 is a deficient number, since it is larger than the sum of its proper divisors (6583215139).

1345742260957 is a wasteful number, since it uses less digits than its factorization.

1345742260957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448867.

The product of its (nonzero) digits is 12700800, while the sum is 55.

The spelling of 1345742260957 in words is "one trillion, three hundred forty-five billion, seven hundred forty-two million, two hundred sixty thousand, nine hundred fifty-seven".