131026077 has 48 divisors (see below), whose sum is σ = 234648960. Its totient is φ = 68605056.

The previous prime is 131025977. The next prime is 131026087. The reversal of 131026077 is 770620131.

It is not a de Polignac number, because 131026077 - 2¹¹ = 131024029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131026077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131026087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 128074 + ... + 129092.

It is an arithmetic number, because the mean of its divisors is an integer number (4888520).

Almost surely, 2^131026077 is an apocalyptic number.

It is an amenable number.

131026077 is a deficient number, since it is larger than the sum of its proper divisors (103622883).

131026077 is a wasteful number, since it uses less digits than its factorization.

131026077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202 (or 1199 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 131026077 is about 11446.6622646080. The cubic root of 131026077 is about 507.9090049780.

The spelling of 131026077 in words is "one hundred thirty-one million, twenty-six thousand, seventy-seven".