131227739 has 2 divisors, whose sum is σ = 131227740. Its totient is φ = 131227738.

The previous prime is 131227721. The next prime is 131227751. The reversal of 131227739 is 937722131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131227739 - 2⁸ = 131227483 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131227699 and 131227708.

It is not a weakly prime, because it can be changed into another prime (131229739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65613869 + 65613870.

It is an arithmetic number, because the mean of its divisors is an integer number (65613870).

Almost surely, 2^131227739 is an apocalyptic number.

131227739 is a deficient number, since it is larger than the sum of its proper divisors (1).

131227739 is an equidigital number, since it uses as much as digits as its factorization.

131227739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15876, while the sum is 35.

The square root of 131227739 is about 11455.4676464996. The cubic root of 131227739 is about 508.1694453552.

The spelling of 131227739 in words is "one hundred thirty-one million, two hundred twenty-seven thousand, seven hundred thirty-nine".