266130154 has 4 divisors (see below), whose sum is σ = 399195234. Its totient is φ = 133065076.

The previous prime is 266130143. The next prime is 266130167. The reversal of 266130154 is 451031662.

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

It can be written as a sum of positive squares in only one way, i.e., 218892025 + 47238129 = 14795^2 + 6873^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66532537 + ... + 66532540.

Almost surely, 2^266130154 is an apocalyptic number.

266130154 is a deficient number, since it is larger than the sum of its proper divisors (133065080).

266130154 is a wasteful number, since it uses less digits than its factorization.

266130154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133065079.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 266130154 is about 16313.4960692060. The cubic root of 266130154 is about 643.2276355177.

The spelling of 266130154 in words is "two hundred sixty-six million, one hundred thirty thousand, one hundred fifty-four".