135145373 has 16 divisors (see below), whose sum is σ = 150463872. Its totient is φ = 120360000.

The previous prime is 135145369. The next prime is 135145429. The reversal of 135145373 is 373541531.

It is a cyclic number.

It is not a de Polignac number, because 135145373 - 2² = 135145369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135145303) 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 15 ways as a sum of consecutive naturals, for example, 113843 + ... + 115023.

It is an arithmetic number, because the mean of its divisors is an integer number (9403992).

Almost surely, 2^135145373 is an apocalyptic number.

It is an amenable number.

135145373 is a deficient number, since it is larger than the sum of its proper divisors (15318499).

135145373 is a wasteful number, since it uses less digits than its factorization.

135145373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396.

The product of its digits is 18900, while the sum is 32.

The square root of 135145373 is about 11625.2042132601. The cubic root of 135145373 is about 513.1768544907.

The spelling of 135145373 in words is "one hundred thirty-five million, one hundred forty-five thousand, three hundred seventy-three".