135440512221414 has 16 divisors (see below), whose sum is σ = 274144651244352. Its totient is φ = 44602899606888.

The previous prime is 135440512221317. The next prime is 135440512221461. The reversal of 135440512221414 is 414122215044531.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135984449524 + ... + 135984450519.

It is an arithmetic number, because the mean of its divisors is an integer number (17134040702772).

Almost surely, 2^{135440512221414} is an apocalyptic number.

135440512221414 is an abundant number, since it is smaller than the sum of its proper divisors (138704139022938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135440512221414 is a wasteful number, since it uses less digits than its factorization.

135440512221414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271968900131.

The product of its (nonzero) digits is 153600, while the sum is 39.

Adding to 135440512221414 its reverse (414122215044531), we get a palindrome (549562727265945).

The spelling of 135440512221414 in words is "one hundred thirty-five trillion, four hundred forty billion, five hundred twelve million, two hundred twenty-one thousand, four hundred fourteen".