135405832 has 16 divisors (see below), whose sum is σ = 254054700. Its totient is φ = 67657920.

The previous prime is 135405827. The next prime is 135405841. The reversal of 135405832 is 238504531.

It can be written as a sum of positive squares in 2 ways, for example, as 114190596 + 21215236 = 10686^2 + 4606^2 .

It is a super-2 number, since 2×135405832² = 36669478679224448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135405794 and 135405803.

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, 9582 + ... + 19042.

Almost surely, 2^135405832 is an apocalyptic number.

It is an amenable number.

135405832 is a deficient number, since it is larger than the sum of its proper divisors (118648868).

135405832 is a wasteful number, since it uses less digits than its factorization.

135405832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11256 (or 11252 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 135405832 is about 11636.4011618713. The cubic root of 135405832 is about 513.5063163947.

The spelling of 135405832 in words is "one hundred thirty-five million, four hundred five thousand, eight hundred thirty-two".