1013557842 has 48 divisors (see below), whose sum is σ = 2428534368. Its totient is φ = 302927040.

The previous prime is 1013557823. The next prime is 1013557871. The reversal of 1013557842 is 2487553101.

1013557842 is a `hidden beast` number, since 10 + 1 + 35 + 578 + 42 = 666.

1013557842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1013557797 and 1013557806.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20608 + ... + 49515.

It is an arithmetic number, because the mean of its divisors is an integer number (50594466).

Almost surely, 2^1013557842 is an apocalyptic number.

1013557842 is an abundant number, since it is smaller than the sum of its proper divisors (1414976526).

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

1013557842 is a wasteful number, since it uses less digits than its factorization.

1013557842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70215 (or 70212 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 1013557842 is about 31836.4231973380. The cubic root of 1013557842 is about 1004.4990092277.

It can be divided in two parts, 1013 and 557842, that added together give a palindrome (558855).

The spelling of 1013557842 in words is "one billion, thirteen million, five hundred fifty-seven thousand, eight hundred forty-two".