1345640232060 has 36 divisors (see below), whose sum is σ = 4081775371128. Its totient is φ = 358837395168.

The previous prime is 1345640232059. The next prime is 1345640232067. The reversal of 1345640232060 is 602320465431.

1345640232060 is a `hidden beast` number, since 1 + 3 + 4 + 5 + 640 + 2 + 3 + 2 + 0 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345640232067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3737889354 + ... + 3737889713.

It is an arithmetic number, because the mean of its divisors is an integer number (113382649198).

Almost surely, 2^{1345640232060} is an apocalyptic number.

1345640232060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1345640232060 is an abundant number, since it is smaller than the sum of its proper divisors (2736135139068).

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

1345640232060 is a wasteful number, since it uses less digits than its factorization.

1345640232060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7475779082 (or 7475779077 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 1345640232060 its reverse (602320465431), we get a palindrome (1947960697491).

The spelling of 1345640232060 in words is "one trillion, three hundred forty-five billion, six hundred forty million, two hundred thirty-two thousand, sixty".