2135251453136 has 40 divisors (see below), whose sum is σ = 4185126420480. Its totient is φ = 1055281336704.

The previous prime is 2135251453133. The next prime is 2135251453193. The reversal of 2135251453136 is 6313541525312.

It is a junction number, because it is equal to n+sod(n) for n = 2135251453093 and 2135251453102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135251453133) 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, 1406576 + ... + 2499791.

It is an arithmetic number, because the mean of its divisors is an integer number (104628160512).

Almost surely, 2^{2135251453136} is an apocalyptic number.

It is an amenable number.

2135251453136 is a deficient number, since it is larger than the sum of its proper divisors (2049874967344).

2135251453136 is a wasteful number, since it uses less digits than its factorization.

2135251453136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3906771 (or 3906765 counting only the distinct ones).

The product of its digits is 324000, while the sum is 41.

Adding to 2135251453136 its reverse (6313541525312), we get a palindrome (8448792978448).

It can be divided in two parts, 213525 and 1453136, that added together give a palindrome (1666661).

The spelling of 2135251453136 in words is "two trillion, one hundred thirty-five billion, two hundred fifty-one million, four hundred fifty-three thousand, one hundred thirty-six".