135742477 has 16 divisors (see below), whose sum is σ = 148377600. Its totient is φ = 123437952.

The previous prime is 135742463. The next prime is 135742483. The reversal of 135742477 is 774247531.

It is a cyclic number.

It is not a de Polignac number, because 135742477 - 2¹⁹ = 135218189 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 (135742577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354228 + ... + 354610.

It is an arithmetic number, because the mean of its divisors is an integer number (9273600).

Almost surely, 2^135742477 is an apocalyptic number.

It is an amenable number.

135742477 is a deficient number, since it is larger than the sum of its proper divisors (12635123).

135742477 is a wasteful number, since it uses less digits than its factorization.

135742477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732.

The product of its digits is 164640, while the sum is 40.

The square root of 135742477 is about 11650.8573504270. The cubic root of 135742477 is about 513.9315227706.

It can be divided in two parts, 1357 and 42477, that added together give a palindrome (43834).

The spelling of 135742477 in words is "one hundred thirty-five million, seven hundred forty-two thousand, four hundred seventy-seven".