135444302142 has 32 divisors (see below), whose sum is σ = 275509382400. Its totient is φ = 44378134848.

The previous prime is 135444302137. The next prime is 135444302143. The reversal of 135444302142 is 241203444531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135444302143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5115903 + ... + 5142309.

It is an arithmetic number, because the mean of its divisors is an integer number (8609668200).

Almost surely, 2^135444302142 is an apocalyptic number.

135444302142 is an abundant number, since it is smaller than the sum of its proper divisors (140065080258).

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

135444302142 is a wasteful number, since it uses less digits than its factorization.

135444302142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40960.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 135444302142 its reverse (241203444531), we get a palindrome (376647746673).

The spelling of 135444302142 in words is "one hundred thirty-five billion, four hundred forty-four million, three hundred two thousand, one hundred forty-two".