1345425679 has 16 divisors (see below), whose sum is σ = 1535466240. Its totient is φ = 1167874560.

The previous prime is 1345425673. The next prime is 1345425703. The reversal of 1345425679 is 9765245431.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1345425679 - 2¹⁷ = 1345294607 is a prime.

It is a super-2 number, since 2×1345425679² = 3620340515425222082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345425673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387009 + ... + 390469.

It is an arithmetic number, because the mean of its divisors is an integer number (95966640).

Almost surely, 2^1345425679 is an apocalyptic number.

1345425679 is a deficient number, since it is larger than the sum of its proper divisors (190040561).

1345425679 is a wasteful number, since it uses less digits than its factorization.

1345425679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5250.

The product of its digits is 907200, while the sum is 46.

The square root of 1345425679 is about 36680.0446973555. The cubic root of 1345425679 is about 1103.9597449856.

The spelling of 1345425679 in words is "one billion, three hundred forty-five million, four hundred twenty-five thousand, six hundred seventy-nine".