135440041430154 has 32 divisors (see below), whose sum is σ = 286953088150080. Its totient is φ = 42498115575552.

The previous prime is 135440041430087. The next prime is 135440041430203. The reversal of 135440041430154 is 451034140044531.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3783646239 + ... + 3783682034.

It is an arithmetic number, because the mean of its divisors is an integer number (8967284004690).

Almost surely, 2^{135440041430154} is an apocalyptic number.

135440041430154 is an abundant number, since it is smaller than the sum of its proper divisors (151513046719926).

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

135440041430154 is a wasteful number, since it uses less digits than its factorization.

135440041430154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7567328454.

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 135440041430154 its reverse (451034140044531), we get a palindrome (586474181474685).

The spelling of 135440041430154 in words is "one hundred thirty-five trillion, four hundred forty billion, forty-one million, four hundred thirty thousand, one hundred fifty-four".