133551117240 has 64 divisors (see below), whose sum is σ = 401171940000. Its totient is φ = 35567534592.

The previous prime is 133551117223. The next prime is 133551117269. The reversal of 133551117240 is 42711155331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 627115 + ... + 812634.

Almost surely, 2^133551117240 is an apocalyptic number.

133551117240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133551117240 is an abundant number, since it is smaller than the sum of its proper divisors (267620822760).

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

133551117240 is a wasteful number, since it uses less digits than its factorization.

133551117240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440536 (or 1440532 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The spelling of 133551117240 in words is "one hundred thirty-three billion, five hundred fifty-one million, one hundred seventeen thousand, two hundred forty".