1345532340 has 48 divisors (see below), whose sum is σ = 3770097408. Its totient is φ = 358560384.

The previous prime is 1345532333. The next prime is 1345532341. The reversal of 1345532340 is 432355431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1345532298 and 1345532307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345532341) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 89829 + ... + 103731.

It is an arithmetic number, because the mean of its divisors is an integer number (78543696).

Almost surely, 2^1345532340 is an apocalyptic number.

1345532340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1345532340 is an abundant number, since it is smaller than the sum of its proper divisors (2424565068).

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

1345532340 is a wasteful number, since it uses less digits than its factorization.

1345532340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15528 (or 15526 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 1345532340 is about 36681.4986062456. The cubic root of 1345532340 is about 1103.9889170017.

Adding to 1345532340 its reverse (432355431), we get a palindrome (1777887771).

The spelling of 1345532340 in words is "one billion, three hundred forty-five million, five hundred thirty-two thousand, three hundred forty".