133045046257 has 8 divisors (see below), whose sum is σ = 136708279400. Its totient is φ = 129385361664.

The previous prime is 133045046237. The next prime is 133045046269. The reversal of 133045046257 is 752640540331.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 109227606016 + 23817440241 = 330496^2 + 154329^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133045046257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133045046237) 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, 811032 + ... + 961177.

It is an arithmetic number, because the mean of its divisors is an integer number (17088534925).

Almost surely, 2^133045046257 is an apocalyptic number.

It is an amenable number.

133045046257 is a deficient number, since it is larger than the sum of its proper divisors (3663233143).

133045046257 is a wasteful number, since it uses less digits than its factorization.

133045046257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774275.

The product of its (nonzero) digits is 302400, while the sum is 40.

Adding to 133045046257 its reverse (752640540331), we get a palindrome (885685586588).

The spelling of 133045046257 in words is "one hundred thirty-three billion, forty-five million, forty-six thousand, two hundred fifty-seven".