400149159 has 8 divisors (see below), whose sum is σ = 538254192. Its totient is φ = 264405120.

The previous prime is 400149119. The next prime is 400149199. The reversal of 400149159 is 951941004.

It is an interprime number because it is at equal distance from previous prime (400149119) and next prime (400149199).

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

It is not a de Polignac number, because 400149159 - 2¹² = 400145063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400149119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 589852 + ... + 590529.

It is an arithmetic number, because the mean of its divisors is an integer number (67281774).

Almost surely, 2^400149159 is an apocalyptic number.

400149159 is a deficient number, since it is larger than the sum of its proper divisors (138105033).

400149159 is a wasteful number, since it uses less digits than its factorization.

400149159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180497.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 400149159 is about 20003.7286274334. The cubic root of 400149159 is about 736.8978727556.

The spelling of 400149159 in words is "four hundred million, one hundred forty-nine thousand, one hundred fifty-nine".