135145018828 has 24 divisors (see below), whose sum is σ = 237740668704. Its totient is φ = 67219219200.

The previous prime is 135145018823. The next prime is 135145018829. The reversal of 135145018828 is 828810541531.

It is a super-2 number, since 2×135145018828² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135145018823) 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, 9757188 + ... + 9771028.

It is an arithmetic number, because the mean of its divisors is an integer number (9905861196).

Almost surely, 2^135145018828 is an apocalyptic number.

It is an amenable number.

135145018828 is a deficient number, since it is larger than the sum of its proper divisors (102595649876).

135145018828 is a wasteful number, since it uses less digits than its factorization.

135145018828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26433 (or 26431 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 46.

The spelling of 135145018828 in words is "one hundred thirty-five billion, one hundred forty-five million, eighteen thousand, eight hundred twenty-eight".