774132131 has 2 divisors, whose sum is σ = 774132132. Its totient is φ = 774132130.

The previous prime is 774132083. The next prime is 774132157. The reversal of 774132131 is 131231477.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 774132131 - 2²⁶ = 707023267 is a prime.

It is a super-2 number, since 2×774132131² = 1198561112493202322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 774132094 and 774132103.

It is not a weakly prime, because it can be changed into another prime (774134131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387066065 + 387066066.

It is an arithmetic number, because the mean of its divisors is an integer number (387066066).

Almost surely, 2^774132131 is an apocalyptic number.

774132131 is a deficient number, since it is larger than the sum of its proper divisors (1).

774132131 is an equidigital number, since it uses as much as digits as its factorization.

774132131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528, while the sum is 29.

The square root of 774132131 is about 27823.2300605088. The cubic root of 774132131 is about 918.2022751265.

The spelling of 774132131 in words is "seven hundred seventy-four million, one hundred thirty-two thousand, one hundred thirty-one".