135940573 has 8 divisors (see below), whose sum is σ = 143589600. Its totient is φ = 128341008.

The previous prime is 135940531. The next prime is 135940589. The reversal of 135940573 is 375049531.

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

It is a cyclic number.

It is not a de Polignac number, because 135940573 - 2¹⁷ = 135809501 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 (135940073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6643 + ... + 17776.

It is an arithmetic number, because the mean of its divisors is an integer number (17948700).

Almost surely, 2^135940573 is an apocalyptic number.

It is an amenable number.

135940573 is a deficient number, since it is larger than the sum of its proper divisors (7649027).

135940573 is a wasteful number, since it uses less digits than its factorization.

135940573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24731.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 135940573 is about 11659.3555996890. The cubic root of 135940573 is about 514.1814035174.

The spelling of 135940573 in words is "one hundred thirty-five million, nine hundred forty thousand, five hundred seventy-three".