133101709 has 8 divisors (see below), whose sum is σ = 146045592. Its totient is φ = 120544320.

The previous prime is 133101701. The next prime is 133101719. The reversal of 133101709 is 907101331.

It can be written as a sum of positive squares in 4 ways, for example, as 30140100 + 102961609 = 5490^2 + 10147^2 .

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

It is not a de Polignac number, because 133101709 - 2³ = 133101701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133101701) 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, 95902 + ... + 97279.

It is an arithmetic number, because the mean of its divisors is an integer number (18255699).

Almost surely, 2^133101709 is an apocalyptic number.

It is an amenable number.

133101709 is a deficient number, since it is larger than the sum of its proper divisors (12943883).

133101709 is a wasteful number, since it uses less digits than its factorization.

133101709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193247.

The product of its (nonzero) digits is 567, while the sum is 25.

The square root of 133101709 is about 11536.9713963414. The cubic root of 133101709 is about 510.5769569430.

The spelling of 133101709 in words is "one hundred thirty-three million, one hundred one thousand, seven hundred nine".