2135521231433 has 8 divisors (see below), whose sum is σ = 2173833230976. Its totient is φ = 2097437960800.

The previous prime is 2135521231423. The next prime is 2135521231447. The reversal of 2135521231433 is 3341321255312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2135521231433 - 2³⁶ = 2066801754697 is a prime.

It is a super-2 number, since 2×2135521231433² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2135521231393 and 2135521231402.

It is not an unprimeable number, because it can be changed into a prime (2135521231423) 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, 57163388 + ... + 57200733.

It is an arithmetic number, because the mean of its divisors is an integer number (271729153872).

Almost surely, 2^{2135521231433} is an apocalyptic number.

It is an amenable number.

2135521231433 is a deficient number, since it is larger than the sum of its proper divisors (38311999543).

2135521231433 is a wasteful number, since it uses less digits than its factorization.

2135521231433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114364455.

The product of its digits is 64800, while the sum is 35.

Adding to 2135521231433 its reverse (3341321255312), we get a palindrome (5476842486745).

The spelling of 2135521231433 in words is "two trillion, one hundred thirty-five billion, five hundred twenty-one million, two hundred thirty-one thousand, four hundred thirty-three".