1374938263 has 4 divisors (see below), whose sum is σ = 1375857000. Its totient is φ = 1374019528.

The previous prime is 1374938251. The next prime is 1374938267. The reversal of 1374938263 is 3628394731.

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

It is a cyclic number.

It is not a de Polignac number, because 1374938263 - 2¹³ = 1374930071 is a prime.

It is a super-2 number, since 2×1374938263² = 3780910454122914338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374938267) 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, 457120 + ... + 460117.

It is an arithmetic number, because the mean of its divisors is an integer number (343964250).

Almost surely, 2^1374938263 is an apocalyptic number.

1374938263 is a deficient number, since it is larger than the sum of its proper divisors (918737).

1374938263 is an equidigital number, since it uses as much as digits as its factorization.

1374938263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918736.

The product of its digits is 653184, while the sum is 46.

The square root of 1374938263 is about 37080.1599645956. The cubic root of 1374938263 is about 1111.9734023860.

The spelling of 1374938263 in words is "one billion, three hundred seventy-four million, nine hundred thirty-eight thousand, two hundred sixty-three".