130836457 has 4 divisors (see below), whose sum is σ = 132679296. Its totient is φ = 128993620.

The previous prime is 130836449. The next prime is 130836463. The reversal of 130836457 is 754638031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 130836457 - 2³ = 130836449 is a prime.

It is a super-3 number, since 3×130836457³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130836427) 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 3 ways as a sum of consecutive naturals, for example, 921313 + ... + 921454.

It is an arithmetic number, because the mean of its divisors is an integer number (33169824).

Almost surely, 2^130836457 is an apocalyptic number.

It is an amenable number.

130836457 is a deficient number, since it is larger than the sum of its proper divisors (1842839).

130836457 is an equidigital number, since it uses as much as digits as its factorization.

130836457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842838.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 130836457 is about 11438.3765019342. The cubic root of 130836457 is about 507.6638725975.

The spelling of 130836457 in words is "one hundred thirty million, eight hundred thirty-six thousand, four hundred fifty-seven".