766554134 has 4 divisors (see below), whose sum is σ = 1149831204. Its totient is φ = 383277066.

The previous prime is 766554091. The next prime is 766554167. The reversal of 766554134 is 431455667.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 431455667 = 19 ⋅22708193.

It is a junction number, because it is equal to n+sod(n) for n = 766554091 and 766554100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191638532 + ... + 191638535.

It is an arithmetic number, because the mean of its divisors is an integer number (287457801).

Almost surely, 2^766554134 is an apocalyptic number.

766554134 is a deficient number, since it is larger than the sum of its proper divisors (383277070).

766554134 is a wasteful number, since it uses less digits than its factorization.

766554134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383277069.

The product of its digits is 302400, while the sum is 41.

The square root of 766554134 is about 27686.7140339911. The cubic root of 766554134 is about 915.1963443398.

The spelling of 766554134 in words is "seven hundred sixty-six million, five hundred fifty-four thousand, one hundred thirty-four".