133448722954640 has 40 divisors (see below), whose sum is σ = 310269061509120. Its totient is φ = 53379354878336.

The previous prime is 133448722954583. The next prime is 133448722954649. The reversal of 133448722954640 is 46459227844331.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (133448722954649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33686897 + ... + 37439343.

It is an arithmetic number, because the mean of its divisors is an integer number (7756726537728).

It is a 1-persistent number, because it is pandigital, but 2⋅133448722954640 = 266897445909280 is not.

Almost surely, 2^{133448722954640} is an apocalyptic number.

133448722954640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133448722954640 is an abundant number, since it is smaller than the sum of its proper divisors (176820338554480).

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

133448722954640 is a wasteful number, since it uses less digits than its factorization.

133448722954640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4196999 (or 4196993 counting only the distinct ones).

The product of its (nonzero) digits is 139345920, while the sum is 62.

The spelling of 133448722954640 in words is "one hundred thirty-three trillion, four hundred forty-eight billion, seven hundred twenty-two million, nine hundred fifty-four thousand, six hundred forty".