133140135 has 16 divisors (see below), whose sum is σ = 213859296. Its totient is φ = 70729728.

The previous prime is 133140113. The next prime is 133140157. The reversal of 133140135 is 531041331.

It is an interprime number because it is at equal distance from previous prime (133140113) and next prime (133140157).

It is not a de Polignac number, because 133140135 - 2²⁰ = 132091559 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13414 + ... + 21123.

It is an arithmetic number, because the mean of its divisors is an integer number (13366206).

Almost surely, 2^133140135 is an apocalyptic number.

133140135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133140135 is a deficient number, since it is larger than the sum of its proper divisors (80719161).

133140135 is a wasteful number, since it uses less digits than its factorization.

133140135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34802.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 133140135 is about 11538.6366179025. The cubic root of 133140135 is about 510.6260861454.

Adding to 133140135 its reverse (531041331), we get a palindrome (664181466).

The spelling of 133140135 in words is "one hundred thirty-three million, one hundred forty thousand, one hundred thirty-five".