400141369 has 4 divisors (see below), whose sum is σ = 400320144. Its totient is φ = 399962596.

The previous prime is 400141367. The next prime is 400141381. The reversal of 400141369 is 963141004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 400141369 - 2¹ = 400141367 is a prime.

It is a super-2 number, since 2×400141369² = 320226230370388322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400141367) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 85987 + ... + 90520.

It is an arithmetic number, because the mean of its divisors is an integer number (100080036).

Almost surely, 2^400141369 is an apocalyptic number.

It is an amenable number.

400141369 is a deficient number, since it is larger than the sum of its proper divisors (178775).

400141369 is a wasteful number, since it uses less digits than its factorization.

400141369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178774.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 400141369 is about 20003.5339127865. The cubic root of 400141369 is about 736.8930908124.

The spelling of 400141369 in words is "four hundred million, one hundred forty-one thousand, three hundred sixty-nine".