1345026658 has 16 divisors (see below), whose sum is σ = 2059355520. Its totient is φ = 658659600.

The previous prime is 1345026653. The next prime is 1345026659. The reversal of 1345026658 is 8566205431.

It is a self number, because there is not a number n which added to its sum of digits gives 1345026658.

It is not an unprimeable number, because it can be changed into a prime (1345026653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10948 + ... + 53008.

It is an arithmetic number, because the mean of its divisors is an integer number (128709720).

Almost surely, 2^1345026658 is an apocalyptic number.

1345026658 is a deficient number, since it is larger than the sum of its proper divisors (714328862).

1345026658 is a wasteful number, since it uses less digits than its factorization.

1345026658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42393.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 1345026658 is about 36674.6050830817. The cubic root of 1345026658 is about 1103.8505981971.

The spelling of 1345026658 in words is "one billion, three hundred forty-five million, twenty-six thousand, six hundred fifty-eight".