133478707 has 2 divisors, whose sum is σ = 133478708. Its totient is φ = 133478706.

The previous prime is 133478701. The next prime is 133478711. The reversal of 133478707 is 707874331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133478707 - 2³ = 133478699 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133478707.

It is not a weakly prime, because it can be changed into another prime (133478701) 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 as a sum of consecutive naturals, namely, 66739353 + 66739354.

It is an arithmetic number, because the mean of its divisors is an integer number (66739354).

Almost surely, 2^133478707 is an apocalyptic number.

133478707 is a deficient number, since it is larger than the sum of its proper divisors (1).

133478707 is an equidigital number, since it uses as much as digits as its factorization.

133478707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 133478707 is about 11553.2985333194. The cubic root of 133478707 is about 511.0585561782.

The spelling of 133478707 in words is "one hundred thirty-three million, four hundred seventy-eight thousand, seven hundred seven".