133761730 has 16 divisors (see below), whose sum is σ = 240926400. Its totient is φ = 53470192.

The previous prime is 133761679. The next prime is 133761737. The reversal of 133761730 is 37167331.

It is a junction number, because it is equal to n+sod(n) for n = 133761692 and 133761701.

It is not an unprimeable number, because it can be changed into a prime (133761737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16971 + ... + 23569.

It is an arithmetic number, because the mean of its divisors is an integer number (15057900).

Almost surely, 2^133761730 is an apocalyptic number.

133761730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133761730 is a deficient number, since it is larger than the sum of its proper divisors (107164670).

133761730 is a wasteful number, since it uses less digits than its factorization.

133761730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8633.

The product of its (nonzero) digits is 7938, while the sum is 31.

The square root of 133761730 is about 11565.5406272253. The cubic root of 133761730 is about 511.4195106671.

The spelling of 133761730 in words is "one hundred thirty-three million, seven hundred sixty-one thousand, seven hundred thirty".