133707707770 has 128 divisors (see below), whose sum is σ = 306093312000. Its totient is φ = 41779535616.

The previous prime is 133707707761. The next prime is 133707707773. The reversal of 133707707770 is 77707707331.

It is a happy number.

It is a super-2 number, since 2×133707707770² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (133707707773) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3503632 + ... + 3541588.

It is an arithmetic number, because the mean of its divisors is an integer number (2391354000).

Almost surely, 2^133707707770 is an apocalyptic number.

133707707770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133707707770 is an abundant number, since it is smaller than the sum of its proper divisors (172385604230).

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

133707707770 is a wasteful number, since it uses less digits than its factorization.

133707707770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38077 (or 38063 counting only the distinct ones).

The product of its (nonzero) digits is 1058841, while the sum is 49.

The spelling of 133707707770 in words is "one hundred thirty-three billion, seven hundred seven million, seven hundred seven thousand, seven hundred seventy".