1351045266238 has 4 divisors (see below), whose sum is σ = 2026567899360. Its totient is φ = 675522633118.

The previous prime is 1351045266199. The next prime is 1351045266239. The reversal of 1351045266238 is 8326625401531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1351045266238² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351045266239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337761316558 + ... + 337761316561.

It is an arithmetic number, because the mean of its divisors is an integer number (506641974840).

Almost surely, 2^{1351045266238} is an apocalyptic number.

1351045266238 is a deficient number, since it is larger than the sum of its proper divisors (675522633122).

1351045266238 is an equidigital number, since it uses as much as digits as its factorization.

1351045266238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675522633121.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 1351045266238 in words is "one trillion, three hundred fifty-one billion, forty-five million, two hundred sixty-six thousand, two hundred thirty-eight".