135524621143 has 12 divisors (see below), whose sum is σ = 145457219880. Its totient is φ = 126215595216.

The previous prime is 135524621131. The next prime is 135524621179. The reversal of 135524621143 is 341126425531.

It is not a de Polignac number, because 135524621143 - 2⁹ = 135524620631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135524625143) 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, 3160180 + ... + 3202777.

It is an arithmetic number, because the mean of its divisors is an integer number (12121434990).

Almost surely, 2^135524621143 is an apocalyptic number.

135524621143 is a deficient number, since it is larger than the sum of its proper divisors (9932598737).

135524621143 is an equidigital number, since it uses as much as digits as its factorization.

135524621143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6363054 (or 6363035 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The spelling of 135524621143 in words is "one hundred thirty-five billion, five hundred twenty-four million, six hundred twenty-one thousand, one hundred forty-three".