135451946324 has 12 divisors (see below), whose sum is σ = 237045078900. Its totient is φ = 67724780928.

The previous prime is 135451946323. The next prime is 135451946389. The reversal of 135451946324 is 423649154531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 82036416400 + 53415529924 = 286420^2 + 231118^2 .

It is a super-2 number, since 2×135451946324² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135451946323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11909 + ... + 520620.

It is an arithmetic number, because the mean of its divisors is an integer number (19753756575).

Almost surely, 2^135451946324 is an apocalyptic number.

It is an amenable number.

135451946324 is a deficient number, since it is larger than the sum of its proper divisors (101593132576).

135451946324 is a wasteful number, since it uses less digits than its factorization.

135451946324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596122 (or 596120 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 47.

The spelling of 135451946324 in words is "one hundred thirty-five billion, four hundred fifty-one million, nine hundred forty-six thousand, three hundred twenty-four".