1345126132 has 24 divisors (see below), whose sum is σ = 2735853120. Its totient is φ = 566711040.

The previous prime is 1345126117. The next prime is 1345126141. The reversal of 1345126132 is 2316215431.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1345126132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405469 + ... + 408772.

It is an arithmetic number, because the mean of its divisors is an integer number (113993880).

Almost surely, 2^1345126132 is an apocalyptic number.

It is an amenable number.

1345126132 is an abundant number, since it is smaller than the sum of its proper divisors (1390726988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1345126132 is a wasteful number, since it uses less digits than its factorization.

1345126132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814311 (or 814309 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 1345126132 is about 36675.9612280305. The cubic root of 1345126132 is about 1103.8778099818.

The spelling of 1345126132 in words is "one billion, three hundred forty-five million, one hundred twenty-six thousand, one hundred thirty-two".