1345019652 has 72 divisors (see below), whose sum is σ = 3702316800. Its totient is φ = 410090688.

The previous prime is 1345019647. The next prime is 1345019699. The reversal of 1345019652 is 2569105431.

1345019652 is a `hidden beast` number, since 13 + 4 + 501 + 96 + 52 = 666.

It is a super-2 number, since 2×1345019652² = 3618155728532402208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14068 + ... + 53739.

Almost surely, 2^1345019652 is an apocalyptic number.

1345019652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1345019652 is an abundant number, since it is smaller than the sum of its proper divisors (2357297148).

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

1345019652 is a wasteful number, since it uses less digits than its factorization.

1345019652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67865 (or 67860 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 1345019652 is about 36674.5095672730. The cubic root of 1345019652 is about 1103.8486816079.

The spelling of 1345019652 in words is "one billion, three hundred forty-five million, nineteen thousand, six hundred fifty-two".