264005134 has 4 divisors (see below), whose sum is σ = 396007704. Its totient is φ = 132002566.

The previous prime is 264005129. The next prime is 264005153. The reversal of 264005134 is 431500462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 431500462 = 2 ⋅215750231.

It is a junction number, because it is equal to n+sod(n) for n = 264005099 and 264005108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66001282 + ... + 66001285.

It is an arithmetic number, because the mean of its divisors is an integer number (99001926).

Almost surely, 2^264005134 is an apocalyptic number.

264005134 is a deficient number, since it is larger than the sum of its proper divisors (132002570).

264005134 is a wasteful number, since it uses less digits than its factorization.

264005134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132002569.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 264005134 is about 16248.2347964325. The cubic root of 264005134 is about 641.5110244271.

Adding to 264005134 its reverse (431500462), we get a palindrome (695505596).

The spelling of 264005134 in words is "two hundred sixty-four million, five thousand, one hundred thirty-four".