133137052 has 12 divisors (see below), whose sum is σ = 235052496. Its totient is φ = 65979200.

The previous prime is 133137029. The next prime is 133137061. The reversal of 133137052 is 250731331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146824 + ... + 147727.

It is an arithmetic number, because the mean of its divisors is an integer number (19587708).

Almost surely, 2^133137052 is an apocalyptic number.

It is an amenable number.

133137052 is a deficient number, since it is larger than the sum of its proper divisors (101915444).

133137052 is a wasteful number, since it uses less digits than its factorization.

133137052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294668 (or 294666 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 133137052 is about 11538.5030224895. The cubic root of 133137052 is about 510.6221447535.

Adding to 133137052 its reverse (250731331), we get a palindrome (383868383).

It can be divided in two parts, 1331 and 37052, that added together give a palindrome (38383).

The spelling of 133137052 in words is "one hundred thirty-three million, one hundred thirty-seven thousand, fifty-two".