457136129 has 4 divisors (see below), whose sum is σ = 462272580. Its totient is φ = 451999680.

The previous prime is 457136117. The next prime is 457136131. The reversal of 457136129 is 921631754.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 94614529 + 362521600 = 9727^2 + 19040^2 .

It is a cyclic number.

It is not a de Polignac number, because 457136129 - 2²⁴ = 440358913 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 457136092 and 457136101.

It is not an unprimeable number, because it can be changed into a prime (457136929) 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, 2568092 + ... + 2568269.

It is an arithmetic number, because the mean of its divisors is an integer number (115568145).

Almost surely, 2^457136129 is an apocalyptic number.

It is an amenable number.

457136129 is a deficient number, since it is larger than the sum of its proper divisors (5136451).

457136129 is an equidigital number, since it uses as much as digits as its factorization.

457136129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5136450.

The product of its digits is 45360, while the sum is 38.

The square root of 457136129 is about 21380.7420123811. The cubic root of 457136129 is about 770.3389349499.

The spelling of 457136129 in words is "four hundred fifty-seven million, one hundred thirty-six thousand, one hundred twenty-nine".