400063129 has 8 divisors (see below), whose sum is σ = 417841920. Its totient is φ = 382651056.

The previous prime is 400063087. The next prime is 400063177. The reversal of 400063129 is 921360004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 400063129 - 2²¹ = 397965977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400064129) 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 7 ways as a sum of consecutive naturals, for example, 89449 + ... + 93814.

It is an arithmetic number, because the mean of its divisors is an integer number (52230240).

Almost surely, 2^400063129 is an apocalyptic number.

It is an amenable number.

400063129 is a deficient number, since it is larger than the sum of its proper divisors (17778791).

400063129 is a wasteful number, since it uses less digits than its factorization.

400063129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183359.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 400063129 is about 20001.5781627351. The cubic root of 400063129 is about 736.8450592265.

The spelling of 400063129 in words is "four hundred million, sixty-three thousand, one hundred twenty-nine".