1268134402 has 8 divisors (see below), whose sum is σ = 1907684496. Its totient is φ = 632239572.

The previous prime is 1268134367. The next prime is 1268134403. The reversal of 1268134402 is 2044318621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1268134403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 912948 + ... + 914335.

It is an arithmetic number, because the mean of its divisors is an integer number (238460562).

Almost surely, 2^1268134402 is an apocalyptic number.

1268134402 is a deficient number, since it is larger than the sum of its proper divisors (639550094).

1268134402 is a wasteful number, since it uses less digits than its factorization.

1268134402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827632.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 1268134402 is about 35610.8747716200. The cubic root of 1268134402 is about 1082.4016062982.

The spelling of 1268134402 in words is "one billion, two hundred sixty-eight million, one hundred thirty-four thousand, four hundred two".