135454523156 has 12 divisors (see below), whose sum is σ = 237048096180. Its totient is φ = 67726495680.

The previous prime is 135454523119. The next prime is 135454523177. The reversal of 135454523156 is 651325454531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 86377210000 + 49077313156 = 293900^2 + 221534^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432086 + ... + 676466.

It is an arithmetic number, because the mean of its divisors is an integer number (19754008015).

Almost surely, 2^135454523156 is an apocalyptic number.

It is an amenable number.

135454523156 is a deficient number, since it is larger than the sum of its proper divisors (101593573024).

135454523156 is a wasteful number, since it uses less digits than its factorization.

135454523156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382954 (or 382952 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 44.

Adding to 135454523156 its reverse (651325454531), we get a palindrome (786779977687).

The spelling of 135454523156 in words is "one hundred thirty-five billion, four hundred fifty-four million, five hundred twenty-three thousand, one hundred fifty-six".