266252134 has 4 divisors (see below), whose sum is σ = 399378204. Its totient is φ = 133126066.

The previous prime is 266252101. The next prime is 266252141. The reversal of 266252134 is 431252662.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 266252096 and 266252105.

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, 66563032 + ... + 66563035.

It is an arithmetic number, because the mean of its divisors is an integer number (99844551).

Almost surely, 2^266252134 is an apocalyptic number.

266252134 is a deficient number, since it is larger than the sum of its proper divisors (133126070).

266252134 is a wasteful number, since it uses less digits than its factorization.

266252134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133126069.

The product of its digits is 17280, while the sum is 31.

The square root of 266252134 is about 16317.2342631955. The cubic root of 266252134 is about 643.3258943601.

The spelling of 266252134 in words is "two hundred sixty-six million, two hundred fifty-two thousand, one hundred thirty-four".