1345126730 has 16 divisors (see below), whose sum is σ = 2426751360. Its totient is φ = 536823312.

The previous prime is 1345126721. The next prime is 1345126747. The reversal of 1345126730 is 376215431.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148814 + ... + 157593.

It is an arithmetic number, because the mean of its divisors is an integer number (151671960).

Almost surely, 2^1345126730 is an apocalyptic number.

1345126730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1345126730 is a deficient number, since it is larger than the sum of its proper divisors (1081624630).

1345126730 is a wasteful number, since it uses less digits than its factorization.

1345126730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306853.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 1345126730 is about 36675.9693805085. The cubic root of 1345126730 is about 1103.8779735647.

The spelling of 1345126730 in words is "one billion, three hundred forty-five million, one hundred twenty-six thousand, seven hundred thirty".