133000321340 has 24 divisors (see below), whose sum is σ = 279608651952. Its totient is φ = 53141466240.

The previous prime is 133000321291. The next prime is 133000321367. The reversal of 133000321340 is 43123000331.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3647801 + ... + 3684080.

It is an arithmetic number, because the mean of its divisors is an integer number (11650360498).

Almost surely, 2^133000321340 is an apocalyptic number.

133000321340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133000321340 is an abundant number, since it is smaller than the sum of its proper divisors (146608330612).

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

133000321340 is a wasteful number, since it uses less digits than its factorization.

133000321340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7332797 (or 7332795 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 133000321340 its reverse (43123000331), we get a palindrome (176123321671).

The spelling of 133000321340 in words is "one hundred thirty-three billion, three hundred twenty-one thousand, three hundred forty".