135742232 has 16 divisors (see below), whose sum is σ = 267912600. Its totient is φ = 64298880.

The previous prime is 135742223. The next prime is 135742241. The reversal of 135742232 is 232247531.

It is an interprime number because it is at equal distance from previous prime (135742223) and next prime (135742241).

It is a junction number, because it is equal to n+sod(n) for n = 135742195 and 135742204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446369 + ... + 446672.

Almost surely, 2^135742232 is an apocalyptic number.

It is an amenable number.

135742232 is a deficient number, since it is larger than the sum of its proper divisors (132170368).

135742232 is a wasteful number, since it uses less digits than its factorization.

135742232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893066 (or 893062 counting only the distinct ones).

The product of its digits is 10080, while the sum is 29.

The square root of 135742232 is about 11650.8468361746. The cubic root of 135742232 is about 513.9312135741.

Adding to 135742232 its reverse (232247531), we get a palindrome (367989763).

The spelling of 135742232 in words is "one hundred thirty-five million, seven hundred forty-two thousand, two hundred thirty-two".