1345126265253 has 6 divisors (see below), whose sum is σ = 1942960160934. Its totient is φ = 896750843496.

The previous prime is 1345126265221. The next prime is 1345126265269. The reversal of 1345126265253 is 3525626215431.

1345126265253 is a `hidden beast` number, since 1 + 3 + 4 + 5 + 12 + 626 + 5 + 2 + 5 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1199951548929 + 145174716324 = 1095423^2 + 381018^2 .

It is not a de Polignac number, because 1345126265253 - 2⁵ = 1345126265221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1345126265199 and 1345126265208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345126265053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74729236950 + ... + 74729236967.

It is an arithmetic number, because the mean of its divisors is an integer number (323826693489).

Almost surely, 2^{1345126265253} is an apocalyptic number.

It is an amenable number.

1345126265253 is a deficient number, since it is larger than the sum of its proper divisors (597833895681).

1345126265253 is a wasteful number, since it uses less digits than its factorization.

1345126265253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149458473923 (or 149458473920 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 45.

The spelling of 1345126265253 in words is "one trillion, three hundred forty-five billion, one hundred twenty-six million, two hundred sixty-five thousand, two hundred fifty-three".