131016458 has 8 divisors (see below), whose sum is σ = 199217028. Its totient is φ = 64610784.

The previous prime is 131016451. The next prime is 131016469. The reversal of 131016458 is 854610131.

It can be written as a sum of positive squares in 2 ways, for example, as 130119649 + 896809 = 11407^2 + 947^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 131016458.

It is not an unprimeable number, because it can be changed into a prime (131016451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448541 + ... + 448832.

Almost surely, 2^131016458 is an apocalyptic number.

131016458 is a deficient number, since it is larger than the sum of its proper divisors (68200570).

131016458 is an equidigital number, since it uses as much as digits as its factorization.

131016458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897448.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 131016458 is about 11446.2420907475. The cubic root of 131016458 is about 507.8965756550.

Adding to 131016458 its reverse (854610131), we get a palindrome (985626589).

The spelling of 131016458 in words is "one hundred thirty-one million, sixteen thousand, four hundred fifty-eight".