135437853 has 8 divisors (see below), whose sum is σ = 186409216. Its totient is φ = 87379200.

The previous prime is 135437821. The next prime is 135437867. The reversal of 135437853 is 358734531.

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

It is not a de Polignac number, because 135437853 - 2⁵ = 135437821 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 (135437803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 728068 + ... + 728253.

It is an arithmetic number, because the mean of its divisors is an integer number (23301152).

Almost surely, 2^135437853 is an apocalyptic number.

It is an amenable number.

135437853 is a deficient number, since it is larger than the sum of its proper divisors (50971363).

135437853 is a wasteful number, since it uses less digits than its factorization.

135437853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456355.

The product of its digits is 151200, while the sum is 39.

The square root of 135437853 is about 11637.7769784440. The cubic root of 135437853 is about 513.5467914849.

The spelling of 135437853 in words is "one hundred thirty-five million, four hundred thirty-seven thousand, eight hundred fifty-three".