1113637141 has 4 divisors (see below), whose sum is σ = 1118258284. Its totient is φ = 1109016000.

The previous prime is 1113637117. The next prime is 1113637171. The reversal of 1113637141 is 1417363111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1417363111 = 1381 ⋅1026331.

It can be written as a sum of positive squares in 2 ways, for example, as 791578225 + 322058916 = 28135^2 + 17946^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113637141 - 2²³ = 1105248533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113637171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2310210 + ... + 2310691.

It is an arithmetic number, because the mean of its divisors is an integer number (279564571).

Almost surely, 2^1113637141 is an apocalyptic number.

It is an amenable number.

1113637141 is a deficient number, since it is larger than the sum of its proper divisors (4621143).

1113637141 is an equidigital number, since it uses as much as digits as its factorization.

1113637141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4621142.

The product of its digits is 1512, while the sum is 28.

The square root of 1113637141 is about 33371.2022708203. The cubic root of 1113637141 is about 1036.5284708182.

It can be divided in two parts, 1113637 and 141, that added together give a triangular number (1113778 = T₁₄₉₂).

The spelling of 1113637141 in words is "one billion, one hundred thirteen million, six hundred thirty-seven thousand, one hundred forty-one".