135124052445 has 16 divisors (see below), whose sum is σ = 240220537920. Its totient is φ = 72066161232.

The previous prime is 135124052381. The next prime is 135124052449. The reversal of 135124052445 is 544250421531.

135124052445 is a `hidden beast` number, since 1 + 3 + 5 + 1 + 2 + 405 + 244 + 5 = 666.

It is not a de Polignac number, because 135124052445 - 2⁶ = 135124052381 is a prime.

It is a super-2 number, since 2×135124052445² (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 (135124052449) 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, 500459319 + ... + 500459588.

It is an arithmetic number, because the mean of its divisors is an integer number (15013783620).

Almost surely, 2^135124052445 is an apocalyptic number.

135124052445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135124052445 is a deficient number, since it is larger than the sum of its proper divisors (105096485475).

135124052445 is a wasteful number, since it uses less digits than its factorization.

135124052445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000918921 (or 1000918915 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 135124052445 its reverse (544250421531), we get a palindrome (679374473976).

The spelling of 135124052445 in words is "one hundred thirty-five billion, one hundred twenty-four million, fifty-two thousand, four hundred forty-five".