1255316734 has 16 divisors (see below), whose sum is σ = 2177900928. Its totient is φ = 531510552.

The previous prime is 1255316717. The next prime is 1255316753. The reversal of 1255316734 is 4376135521.

It is a junction number, because it is equal to n+sod(n) for n = 1255316693 and 1255316702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538992 + ... + 541315.

It is an arithmetic number, because the mean of its divisors is an integer number (136118808).

Almost surely, 2^1255316734 is an apocalyptic number.

1255316734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1255316734 is a deficient number, since it is larger than the sum of its proper divisors (922584194).

1255316734 is a wasteful number, since it uses less digits than its factorization.

1255316734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080399.

The product of its digits is 75600, while the sum is 37.

The square root of 1255316734 is about 35430.4492491981. The cubic root of 1255316734 is about 1078.7424589111.

The spelling of 1255316734 in words is "one billion, two hundred fifty-five million, three hundred sixteen thousand, seven hundred thirty-four".