1134135131521 has 12 divisors (see below), whose sum is σ = 1319326923888. Its totient is φ = 972096025992.

The previous prime is 1134135131513. The next prime is 1134135131527. The reversal of 1134135131521 is 1251315314311.

It is a happy number.

It is not a de Polignac number, because 1134135131521 - 2³ = 1134135131513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1134135131527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2519790 + ... + 2935576.

It is an arithmetic number, because the mean of its divisors is an integer number (109943910324).

Almost surely, 2^{1134135131521} is an apocalyptic number.

It is an amenable number.

1134135131521 is a deficient number, since it is larger than the sum of its proper divisors (185191792367).

1134135131521 is an equidigital number, since it uses as much as digits as its factorization.

1134135131521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471468 (or 471461 counting only the distinct ones).

The product of its digits is 5400, while the sum is 31.

The spelling of 1134135131521 in words is "one trillion, one hundred thirty-four billion, one hundred thirty-five million, one hundred thirty-one thousand, five hundred twenty-one".