134452631 has 4 divisors (see below), whose sum is σ = 134481312. Its totient is φ = 134423952.

The previous prime is 134452621. The next prime is 134452639. The reversal of 134452631 is 136254431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136254431 = 10169 ⋅13399.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134452631 is a prime.

It is a super-2 number, since 2×134452631² = 36155019965644322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134452594 and 134452603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134452639) 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, 5486 + ... + 17291.

It is an arithmetic number, because the mean of its divisors is an integer number (33620328).

Almost surely, 2^134452631 is an apocalyptic number.

134452631 is a deficient number, since it is larger than the sum of its proper divisors (28681).

134452631 is an equidigital number, since it uses as much as digits as its factorization.

134452631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28680.

The product of its digits is 8640, while the sum is 29.

The square root of 134452631 is about 11595.3711022977. The cubic root of 134452631 is about 512.2985205250.

The spelling of 134452631 in words is "one hundred thirty-four million, four hundred fifty-two thousand, six hundred thirty-one".