1516134541 has 4 divisors (see below), whose sum is σ = 1531764892. Its totient is φ = 1500504192.

The previous prime is 1516134481. The next prime is 1516134547. The reversal of 1516134541 is 1454316151.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 201782025 + 1314352516 = 14205^2 + 36254^2 .

It is a cyclic number.

It is not a de Polignac number, because 1516134541 - 2¹³ = 1516126349 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 (1516134547) 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, 7815030 + ... + 7815223.

It is an arithmetic number, because the mean of its divisors is an integer number (382941223).

Almost surely, 2^1516134541 is an apocalyptic number.

It is an amenable number.

1516134541 is a deficient number, since it is larger than the sum of its proper divisors (15630351).

1516134541 is an equidigital number, since it uses as much as digits as its factorization.

1516134541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15630350.

The product of its digits is 7200, while the sum is 31.

The square root of 1516134541 is about 38937.5723562731. The cubic root of 1516134541 is about 1148.8039337692.

The spelling of 1516134541 in words is "one billion, five hundred sixteen million, one hundred thirty-four thousand, five hundred forty-one".