133402652 has 6 divisors (see below), whose sum is σ = 233454648. Its totient is φ = 66701324.

The previous prime is 133402651. The next prime is 133402673. The reversal of 133402652 is 256204331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133402651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16675328 + ... + 16675335.

It is an arithmetic number, because the mean of its divisors is an integer number (38909108).

Almost surely, 2^133402652 is an apocalyptic number.

It is an amenable number.

133402652 is a deficient number, since it is larger than the sum of its proper divisors (100051996).

133402652 is a wasteful number, since it uses less digits than its factorization.

133402652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33350667 (or 33350665 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 133402652 is about 11550.0065800847. The cubic root of 133402652 is about 510.9614721712.

Adding to 133402652 its reverse (256204331), we get a palindrome (389606983).

The spelling of 133402652 in words is "one hundred thirty-three million, four hundred two thousand, six hundred fifty-two".