247713134 has 4 divisors (see below), whose sum is σ = 371569704. Its totient is φ = 123856566.

The previous prime is 247713133. The next prime is 247713143. The reversal of 247713134 is 431317742.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 431317742 = 2 ⋅215658871.

It is a super-2 number, since 2×247713134² = 122723593512203912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 247713134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247713133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61928282 + ... + 61928285.

It is an arithmetic number, because the mean of its divisors is an integer number (92892426).

Almost surely, 2^247713134 is an apocalyptic number.

247713134 is a deficient number, since it is larger than the sum of its proper divisors (123856570).

247713134 is a wasteful number, since it uses less digits than its factorization.

247713134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123856569.

The product of its digits is 14112, while the sum is 32.

The square root of 247713134 is about 15738.9051080436. The cubic root of 247713134 is about 628.0337909658.

The spelling of 247713134 in words is "two hundred forty-seven million, seven hundred thirteen thousand, one hundred thirty-four".