135424783 has 4 divisors (see below), whose sum is σ = 145842088. Its totient is φ = 125007480.

The previous prime is 135424753. The next prime is 135424789. The reversal of 135424783 is 387424531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 387424531 = 13 ⋅29801887.

It is a de Polignac number, because none of the positive numbers 2^k-135424783 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 (135424789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5208633 + ... + 5208658.

It is an arithmetic number, because the mean of its divisors is an integer number (36460522).

Almost surely, 2^135424783 is an apocalyptic number.

135424783 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

135424783 is a deficient number, since it is larger than the sum of its proper divisors (10417305).

135424783 is a wasteful number, since it uses less digits than its factorization.

135424783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10417304.

The product of its digits is 80640, while the sum is 37.

The square root of 135424783 is about 11637.2154315369. The cubic root of 135424783 is about 513.5302715526.

The spelling of 135424783 in words is "one hundred thirty-five million, four hundred twenty-four thousand, seven hundred eighty-three".