1380312034 has 4 divisors (see below), whose sum is σ = 2070468054. Its totient is φ = 690156016.

The previous prime is 1380311969. The next prime is 1380312049. The reversal of 1380312034 is 4302130831.

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., 1092500809 + 287811225 = 33053^2 + 16965^2 .

It is a super-2 number, since 2×1380312034² = 3810522622410434312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345078007 + ... + 345078010.

Almost surely, 2^1380312034 is an apocalyptic number.

1380312034 is a deficient number, since it is larger than the sum of its proper divisors (690156020).

1380312034 is an equidigital number, since it uses as much as digits as its factorization.

1380312034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690156019.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1380312034 is about 37152.5508410930. The cubic root of 1380312034 is about 1113.4201879444.

Adding to 1380312034 its reverse (4302130831), we get a palindrome (5682442865).

The spelling of 1380312034 in words is "one billion, three hundred eighty million, three hundred twelve thousand, thirty-four".