135020763 has 24 divisors (see below), whose sum is σ = 202810608. Its totient is φ = 89766144.

The previous prime is 135020747. The next prime is 135020773. The reversal of 135020763 is 367020531.

It is a happy number.

It is not a de Polignac number, because 135020763 - 2⁴ = 135020747 is a prime.

It is a super-2 number, since 2×135020763² = 36461212882204338, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (135020713) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143631 + ... + 144567.

It is an arithmetic number, because the mean of its divisors is an integer number (8450442).

Almost surely, 2^135020763 is an apocalyptic number.

135020763 is a deficient number, since it is larger than the sum of its proper divisors (67789845).

135020763 is an frugal number, since it uses more digits than its factorization.

135020763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545 (or 1533 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 135020763 is about 11619.8435015279. The cubic root of 135020763 is about 513.0190820849.

The spelling of 135020763 in words is "one hundred thirty-five million, twenty thousand, seven hundred sixty-three".