133071705 has 24 divisors (see below), whose sum is σ = 248401608. Its totient is φ = 65511936.

The previous prime is 133071703. The next prime is 133071707. The reversal of 133071705 is 507170331.

It is an interprime number because it is at equal distance from previous prime (133071703) and next prime (133071707).

It can be written as a sum of positive squares in 4 ways, for example, as 84681 + 132987024 = 291^2 + 11532^2 .

It is not a de Polignac number, because 133071705 - 2¹ = 133071703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133071703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113152 + ... + 114321.

It is an arithmetic number, because the mean of its divisors is an integer number (10350067).

Almost surely, 2^133071705 is an apocalyptic number.

133071705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133071705 is a deficient number, since it is larger than the sum of its proper divisors (115329903).

133071705 is a wasteful number, since it uses less digits than its factorization.

133071705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227497 (or 227494 counting only the distinct ones).

The product of its (nonzero) digits is 2205, while the sum is 27.

The square root of 133071705 is about 11535.6709817852. The cubic root of 133071705 is about 510.5385890352.

The spelling of 133071705 in words is "one hundred thirty-three million, seventy-one thousand, seven hundred five".