1854761137 has 2 divisors, whose sum is σ = 1854761138. Its totient is φ = 1854761136.

The previous prime is 1854761039. The next prime is 1854761143. The reversal of 1854761137 is 7311674581.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1210413681 + 644347456 = 34791^2 + 25384^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1854761137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1854761093 and 1854761102.

It is not a weakly prime, because it can be changed into another prime (1854761177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 927380568 + 927380569.

It is an arithmetic number, because the mean of its divisors is an integer number (927380569).

Almost surely, 2^1854761137 is an apocalyptic number.

It is an amenable number.

1854761137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1854761137 is an equidigital number, since it uses as much as digits as its factorization.

1854761137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 43.

The square root of 1854761137 is about 43066.9378642132. The cubic root of 1854761137 is about 1228.6532369685.

The spelling of 1854761137 in words is "one billion, eight hundred fifty-four million, seven hundred sixty-one thousand, one hundred thirty-seven".