135445412516 has 6 divisors (see below), whose sum is σ = 237029471910. Its totient is φ = 67722706256.

The previous prime is 135445412491. The next prime is 135445412549. The reversal of 135445412516 is 615214544531.

It can be written as a sum of positive squares in only one way, i.e., 127927828900 + 7517583616 = 357670^2 + 86704^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16930676561 + ... + 16930676568.

It is an arithmetic number, because the mean of its divisors is an integer number (39504911985).

Almost surely, 2^135445412516 is an apocalyptic number.

It is an amenable number.

135445412516 is a deficient number, since it is larger than the sum of its proper divisors (101584059394).

135445412516 is a wasteful number, since it uses less digits than its factorization.

135445412516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33861353133 (or 33861353131 counting only the distinct ones).

The product of its digits is 288000, while the sum is 41.

The spelling of 135445412516 in words is "one hundred thirty-five billion, four hundred forty-five million, four hundred twelve thousand, five hundred sixteen".