133023001021440 has 176 divisors, whose sum is σ = 427231184788320. Its totient is φ = 35325609246720.

The previous prime is 133023001021433. The next prime is 133023001021441. The reversal of 133023001021440 is 44120100320331.

It is a happy number.

It is a super-4 number, since 4×133023001021440⁴ (a number of 58 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 133023001021440.

It is not an unprimeable number, because it can be changed into a prime (133023001021441) 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, 14265775 + ... + 21669294.

It is an arithmetic number, because the mean of its divisors is an integer number (2427449913570).

Almost surely, 2^{133023001021440} is an apocalyptic number.

133023001021440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133023001021440 is an abundant number, since it is smaller than the sum of its proper divisors (294208183766880).

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

133023001021440 is a wasteful number, since it uses less digits than its factorization.

133023001021440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35935338 (or 35935320 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 133023001021440 its reverse (44120100320331), we get a palindrome (177143101341771).

The spelling of 133023001021440 in words is "one hundred thirty-three trillion, twenty-three billion, one million, twenty-one thousand, four hundred forty".