133023137870 has 32 divisors (see below), whose sum is σ = 285545323008. Its totient is φ = 43624978848.

The previous prime is 133023137809. The next prime is 133023137873. The reversal of 133023137870 is 78731320331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133023137873) by changing a digit.

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, 41309924 + ... + 41313143.

It is an arithmetic number, because the mean of its divisors is an integer number (8923291344).

Almost surely, 2^133023137870 is an apocalyptic number.

133023137870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133023137870 is an abundant number, since it is smaller than the sum of its proper divisors (152522185138).

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

133023137870 is a wasteful number, since it uses less digits than its factorization.

133023137870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82623104.

The product of its (nonzero) digits is 63504, while the sum is 38.

The spelling of 133023137870 in words is "one hundred thirty-three billion, twenty-three million, one hundred thirty-seven thousand, eight hundred seventy".