131154377 has 2 divisors, whose sum is σ = 131154378. Its totient is φ = 131154376.

The previous prime is 131154313. The next prime is 131154407. The reversal of 131154377 is 773451131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128686336 + 2468041 = 11344^2 + 1571^2 .

It is a cyclic number.

It is not a de Polignac number, because 131154377 - 2⁶ = 131154313 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131154077) 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, 65577188 + 65577189.

It is an arithmetic number, because the mean of its divisors is an integer number (65577189).

Almost surely, 2^131154377 is an apocalyptic number.

It is an amenable number.

131154377 is a deficient number, since it is larger than the sum of its proper divisors (1).

131154377 is an equidigital number, since it uses as much as digits as its factorization.

131154377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8820, while the sum is 32.

The square root of 131154377 is about 11452.2651471226. The cubic root of 131154377 is about 508.0747314469.

The spelling of 131154377 in words is "one hundred thirty-one million, one hundred fifty-four thousand, three hundred seventy-seven".