133313053 has 4 divisors (see below), whose sum is σ = 135000640. Its totient is φ = 131625468.

The previous prime is 133312957. The next prime is 133313057. The reversal of 133313053 is 350313331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 350313331 = 907 ⋅386233.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133313053 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 (133313057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 843675 + ... + 843832.

It is an arithmetic number, because the mean of its divisors is an integer number (33750160).

Almost surely, 2^133313053 is an apocalyptic number.

It is an amenable number.

133313053 is a deficient number, since it is larger than the sum of its proper divisors (1687587).

133313053 is an equidigital number, since it uses as much as digits as its factorization.

133313053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687586.

The product of its (nonzero) digits is 1215, while the sum is 22.

The square root of 133313053 is about 11546.1271862040. The cubic root of 133313053 is about 510.8470519311.

Adding to 133313053 its reverse (350313331), we get a palindrome (483626384).

It can be divided in two parts, 13331 and 3053, that added together give a 14-th power (16384 = 2¹⁴).

The spelling of 133313053 in words is "one hundred thirty-three million, three hundred thirteen thousand, fifty-three".