2135251453134 has 64 divisors (see below), whose sum is σ = 4396011637248. Its totient is φ = 691042396800.

The previous prime is 2135251453133. The next prime is 2135251453193. The reversal of 2135251453134 is 4313541525312.

It is a super-2 number, since 2×2135251453134² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2135251453092 and 2135251453101.

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 31 ways as a sum of consecutive naturals, for example, 31246564 + ... + 31314824.

It is an arithmetic number, because the mean of its divisors is an integer number (68687681832).

Almost surely, 2^{2135251453134} is an apocalyptic number.

2135251453134 is an abundant number, since it is smaller than the sum of its proper divisors (2260760184114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2135251453134 is a wasteful number, since it uses less digits than its factorization.

2135251453134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69033.

The product of its digits is 216000, while the sum is 39.

Adding to 2135251453134 its reverse (4313541525312), we get a palindrome (6448792978446).

The spelling of 2135251453134 in words is "two trillion, one hundred thirty-five billion, two hundred fifty-one million, four hundred fifty-three thousand, one hundred thirty-four".