1345530402 has 24 divisors (see below), whose sum is σ = 2919561840. Its totient is φ = 447856920.

The previous prime is 1345530401. The next prime is 1345530409. The reversal of 1345530402 is 2040355431.

It is not an unprimeable number, because it can be changed into a prime (1345530401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41652 + ... + 66527.

It is an arithmetic number, because the mean of its divisors is an integer number (121648410).

Almost surely, 2^1345530402 is an apocalyptic number.

1345530402 is an abundant number, since it is smaller than the sum of its proper divisors (1574031438).

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

1345530402 is a wasteful number, since it uses less digits than its factorization.

1345530402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108878 (or 108875 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 1345530402 is about 36681.4721896491. The cubic root of 1345530402 is about 1103.9883869683.

Adding to 1345530402 its reverse (2040355431), we get a palindrome (3385885833).

The spelling of 1345530402 in words is "one billion, three hundred forty-five million, five hundred thirty thousand, four hundred two".