1312028134 has 8 divisors (see below), whose sum is σ = 1971806760. Its totient is φ = 654759216.

The previous prime is 1312028131. The next prime is 1312028141. The reversal of 1312028134 is 4318202131.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1312028099 and 1312028108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312028131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626119 + ... + 628210.

It is an arithmetic number, because the mean of its divisors is an integer number (246475845).

Almost surely, 2^1312028134 is an apocalyptic number.

1312028134 is a deficient number, since it is larger than the sum of its proper divisors (659778626).

1312028134 is a wasteful number, since it uses less digits than its factorization.

1312028134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254854.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1312028134 is about 36221.9289105371. The cubic root of 1312028134 is about 1094.7485599637.

The spelling of 1312028134 in words is "one billion, three hundred twelve million, twenty-eight thousand, one hundred thirty-four".