1518748141 has 2 divisors, whose sum is σ = 1518748142. Its totient is φ = 1518748140.

The previous prime is 1518748123. The next prime is 1518748181. The reversal of 1518748141 is 1418478151.

It is an a-pointer prime, because the next prime (1518748181) can be obtained adding 1518748141 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1517414116 + 1334025 = 38954^2 + 1155^2 .

It is a cyclic number.

It is not a de Polignac number, because 1518748141 - 2²⁵ = 1485193709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1518748094 and 1518748103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1518748111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 759374070 + 759374071.

It is an arithmetic number, because the mean of its divisors is an integer number (759374071).

Almost surely, 2^1518748141 is an apocalyptic number.

1518748141 is the 24648-th centered pentagonal number.

It is an amenable number.

1518748141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1518748141 is an equidigital number, since it uses as much as digits as its factorization.

1518748141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35840, while the sum is 40.

The square root of 1518748141 is about 38971.1193193113. The cubic root of 1518748141 is about 1149.4636795962.

The spelling of 1518748141 in words is "one billion, five hundred eighteen million, seven hundred forty-eight thousand, one hundred forty-one".