1400269418 has 4 divisors (see below), whose sum is σ = 2100404130. Its totient is φ = 700134708.

The previous prime is 1400269373. The next prime is 1400269427. The reversal of 1400269418 is 8149620041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8149620041 = 61297 ⋅132953.

It can be written as a sum of positive squares in only one way, i.e., 1046716609 + 353552809 = 32353^2 + 18803^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350067353 + ... + 350067356.

Almost surely, 2^1400269418 is an apocalyptic number.

1400269418 is a deficient number, since it is larger than the sum of its proper divisors (700134712).

1400269418 is an equidigital number, since it uses as much as digits as its factorization.

1400269418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700134711.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 1400269418 is about 37420.1739440105. The cubic root of 1400269418 is about 1118.7606981780.

Adding to 1400269418 its reverse (8149620041), we get a palindrome (9549889459).

The spelling of 1400269418 in words is "one billion, four hundred million, two hundred sixty-nine thousand, four hundred eighteen".