1351264361642 has 16 divisors (see below), whose sum is σ = 2182831005600. Its totient is φ = 623654947632.

The previous prime is 1351264361639. The next prime is 1351264361647. The reversal of 1351264361642 is 2461634621531.

It is a junction number, because it is equal to n+sod(n) for n = 1351264361593 and 1351264361602.

It is not an unprimeable number, because it can be changed into a prime (1351264361647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5008733 + ... + 5271615.

It is an arithmetic number, because the mean of its divisors is an integer number (136426937850).

Almost surely, 2^{1351264361642} is an apocalyptic number.

1351264361642 is a deficient number, since it is larger than the sum of its proper divisors (831566643958).

1351264361642 is a wasteful number, since it uses less digits than its factorization.

1351264361642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460597.

The product of its digits is 622080, while the sum is 44.

The spelling of 1351264361642 in words is "one trillion, three hundred fifty-one billion, two hundred sixty-four million, three hundred sixty-one thousand, six hundred forty-two".