1255351738 has 8 divisors (see below), whose sum is σ = 1883206080. Its totient is φ = 627616380.

The previous prime is 1255351733. The next prime is 1255351771. The reversal of 1255351738 is 8371535521.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1255351738.

It is not an unprimeable number, because it can be changed into a prime (1255351733) 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, 4533 + ... + 50311.

It is an arithmetic number, because the mean of its divisors is an integer number (235400760).

Almost surely, 2^1255351738 is an apocalyptic number.

1255351738 is a deficient number, since it is larger than the sum of its proper divisors (627854342).

1255351738 is a wasteful number, since it uses less digits than its factorization.

1255351738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59492.

The product of its digits is 126000, while the sum is 40.

The square root of 1255351738 is about 35430.9432276365. The cubic root of 1255351738 is about 1078.7524855838.

The spelling of 1255351738 in words is "one billion, two hundred fifty-five million, three hundred fifty-one thousand, seven hundred thirty-eight".