1351642650742 has 16 divisors (see below), whose sum is σ = 2046463762320. Its totient is φ = 669488381568.

The previous prime is 1351642650707. The next prime is 1351642650781. The reversal of 1351642650742 is 2470562461531.

It is a junction number, because it is equal to n+sod(n) for n = 1351642650692 and 1351642650701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16440634 + ... + 16522642.

It is an arithmetic number, because the mean of its divisors is an integer number (127903985145).

Almost surely, 2^{1351642650742} is an apocalyptic number.

1351642650742 is a deficient number, since it is larger than the sum of its proper divisors (694821111578).

1351642650742 is a wasteful number, since it uses less digits than its factorization.

1351642650742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159135.

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 1351642650742 in words is "one trillion, three hundred fifty-one billion, six hundred forty-two million, six hundred fifty thousand, seven hundred forty-two".