1374137378 has 4 divisors (see below), whose sum is σ = 2061206070. Its totient is φ = 687068688.

The previous prime is 1374137377. The next prime is 1374137393. The reversal of 1374137378 is 8737314731.

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

It can be written as a sum of positive squares in only one way, i.e., 1017418609 + 356718769 = 31897^2 + 18887^2 .

It is not an unprimeable number, because it can be changed into a prime (1374137377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 343534343 + ... + 343534346.

Almost surely, 2^1374137378 is an apocalyptic number.

1374137378 is a deficient number, since it is larger than the sum of its proper divisors (687068692).

1374137378 is an equidigital number, since it uses as much as digits as its factorization.

1374137378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687068691.

The product of its digits is 296352, while the sum is 44.

The square root of 1374137378 is about 37069.3590179275. The cubic root of 1374137378 is about 1111.7574567414.

The spelling of 1374137378 in words is "one billion, three hundred seventy-four million, one hundred thirty-seven thousand, three hundred seventy-eight".