1355541642 has 80 divisors (see below), whose sum is σ = 3738400512. Its totient is φ = 357501600.

The previous prime is 1355541637. The next prime is 1355541653. The reversal of 1355541642 is 2461455531.

1355541642 is a `hidden beast` number, since 1 + 3 + 5 + 5 + 5 + 4 + 1 + 642 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1355541597 and 1355541606.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 31234 + ... + 60717.

Almost surely, 2^1355541642 is an apocalyptic number.

1355541642 is an abundant number, since it is smaller than the sum of its proper divisors (2382858870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1355541642 is a wasteful number, since it uses less digits than its factorization.

1355541642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91985 (or 91976 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 1355541642 is about 36817.6811056862. The cubic root of 1355541642 is about 1106.7196505132.

The spelling of 1355541642 in words is "one billion, three hundred fifty-five million, five hundred forty-one thousand, six hundred forty-two".