133716530 has 8 divisors (see below), whose sum is σ = 240689772. Its totient is φ = 53486608.

The previous prime is 133716529. The next prime is 133716553. The reversal of 133716530 is 35617331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 125462401 + 8254129 = 11201^2 + 2873^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×133716530² = 35760220790481800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133716493 and 133716502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6685817 + ... + 6685836.

Almost surely, 2^133716530 is an apocalyptic number.

133716530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133716530 is a deficient number, since it is larger than the sum of its proper divisors (106973242).

133716530 is a wasteful number, since it uses less digits than its factorization.

133716530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13371660.

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 133716530 is about 11563.5863813957. The cubic root of 133716530 is about 511.3618988571.

The spelling of 133716530 in words is "one hundred thirty-three million, seven hundred sixteen thousand, five hundred thirty".