1142789135397 has 48 divisors (see below), whose sum is σ = 1909134868032. Its totient is φ = 602695054080.

The previous prime is 1142789135393. The next prime is 1142789135407. The reversal of 1142789135397 is 7935319872411.

It is not a de Polignac number, because 1142789135397 - 2² = 1142789135393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1142789135397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142789135393) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13060122 + ... + 13147332.

It is an arithmetic number, because the mean of its divisors is an integer number (39773643084).

Almost surely, 2^{1142789135397} is an apocalyptic number.

It is an amenable number.

1142789135397 is a deficient number, since it is larger than the sum of its proper divisors (766345732635).

1142789135397 is a wasteful number, since it uses less digits than its factorization.

1142789135397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94098 (or 94091 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 60.

The spelling of 1142789135397 in words is "one trillion, one hundred forty-two billion, seven hundred eighty-nine million, one hundred thirty-five thousand, three hundred ninety-seven".