1400141245 has 4 divisors (see below), whose sum is σ = 1680169500. Its totient is φ = 1120112992.

The previous prime is 1400141209. The next prime is 1400141263. The reversal of 1400141245 is 5421410041.

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

It can be written as a sum of positive squares in 2 ways, for example, as 609744249 + 790396996 = 24693^2 + 28114^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400141245 - 2²⁵ = 1366586813 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140014120 + ... + 140014129.

It is an arithmetic number, because the mean of its divisors is an integer number (420042375).

Almost surely, 2^1400141245 is an apocalyptic number.

It is an amenable number.

1400141245 is a deficient number, since it is larger than the sum of its proper divisors (280028255).

1400141245 is an equidigital number, since it uses as much as digits as its factorization.

1400141245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280028254.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1400141245 is about 37418.4612858412. The cubic root of 1400141245 is about 1118.7265620590.

Adding to 1400141245 its reverse (5421410041), we get a palindrome (6821551286).

The spelling of 1400141245 in words is "one billion, four hundred million, one hundred forty-one thousand, two hundred forty-five".