1113731642 has 8 divisors (see below), whose sum is σ = 1768867956. Its totient is φ = 524108992.

The previous prime is 1113731629. The next prime is 1113731669. The reversal of 1113731642 is 2461373111.

It can be written as a sum of positive squares in 2 ways, for example, as 1110155761 + 3575881 = 33319^2 + 1891^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 16378373 + ... + 16378440.

Almost surely, 2^1113731642 is an apocalyptic number.

1113731642 is a deficient number, since it is larger than the sum of its proper divisors (655136314).

1113731642 is a wasteful number, since it uses less digits than its factorization.

1113731642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32756832.

The product of its digits is 3024, while the sum is 29.

The square root of 1113731642 is about 33372.6181472176. The cubic root of 1113731642 is about 1036.5577892269.

The spelling of 1113731642 in words is "one billion, one hundred thirteen million, seven hundred thirty-one thousand, six hundred forty-two".