133245405342440 has 64 divisors (see below), whose sum is σ = 300275377257600. Its totient is φ = 53214060227328.

The previous prime is 133245405342437. The next prime is 133245405342451. The reversal of 133245405342440 is 44243504542331.

133245405342440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×133245405342440² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133245405342391 and 133245405342400.

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, 169967447 + ... + 170749593.

It is an arithmetic number, because the mean of its divisors is an integer number (4691802769650).

Almost surely, 2^{133245405342440} is an apocalyptic number.

133245405342440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133245405342440 is an abundant number, since it is smaller than the sum of its proper divisors (167029971915160).

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

133245405342440 is a wasteful number, since it uses less digits than its factorization.

133245405342440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788874 (or 788870 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 44.

Adding to 133245405342440 its reverse (44243504542331), we get a palindrome (177488909884771).

The spelling of 133245405342440 in words is "one hundred thirty-three trillion, two hundred forty-five billion, four hundred five million, three hundred forty-two thousand, four hundred forty".