1411540138 has 8 divisors (see below), whose sum is σ = 2118436740. Its totient is φ = 705394560.

The previous prime is 1411540129. The next prime is 1411540147. The reversal of 1411540138 is 8310451141.

It is an interprime number because it is at equal distance from previous prime (1411540129) and next prime (1411540147).

It can be written as a sum of positive squares in 2 ways, for example, as 1272134889 + 139405249 = 35667^2 + 11807^2 .

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

It is a super-2 number, since 2×1411540138² = 3984891122370118088, which contains 22 as substring.

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, 183033 + ... + 190588.

Almost surely, 2^1411540138 is an apocalyptic number.

1411540138 is a deficient number, since it is larger than the sum of its proper divisors (706896602).

1411540138 is a wasteful number, since it uses less digits than its factorization.

1411540138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375512.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 1411540138 is about 37570.4689616725. The cubic root of 1411540138 is about 1121.7543027049.

Adding to 1411540138 its reverse (8310451141), we get a palindrome (9721991279).

The spelling of 1411540138 in words is "one billion, four hundred eleven million, five hundred forty thousand, one hundred thirty-eight".