1345656456053 has 40 divisors (see below), whose sum is σ = 1667368410240. Its totient is φ = 1063850673600.

The previous prime is 1345656456047. The next prime is 1345656456071. The reversal of 1345656456053 is 3506546565431.

It is not a de Polignac number, because 1345656456053 - 2³⁶ = 1276936979317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1345656455986 and 1345656456004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345656456013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 407649503 + ... + 407652803.

It is an arithmetic number, because the mean of its divisors is an integer number (41684210256).

Almost surely, 2^{1345656456053} is an apocalyptic number.

1345656456053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1345656456053 is a deficient number, since it is larger than the sum of its proper divisors (321711954187).

1345656456053 is an frugal number, since it uses more digits than its factorization.

1345656456053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5399 (or 5360 counting only the distinct ones).

The product of its (nonzero) digits is 19440000, while the sum is 53.

The spelling of 1345656456053 in words is "one trillion, three hundred forty-five billion, six hundred fifty-six million, four hundred fifty-six thousand, fifty-three".