400132151 has 2 divisors, whose sum is σ = 400132152. Its totient is φ = 400132150.

The previous prime is 400132147. The next prime is 400132177. The reversal of 400132151 is 151231004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 400132151 - 2² = 400132147 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400132121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200066075 + 200066076.

It is an arithmetic number, because the mean of its divisors is an integer number (200066076).

Almost surely, 2^400132151 is an apocalyptic number.

400132151 is a deficient number, since it is larger than the sum of its proper divisors (1).

400132151 is an equidigital number, since it uses as much as digits as its factorization.

400132151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 400132151 is about 20003.3035021718. The cubic root of 400132151 is about 736.8874322017.

Adding to 400132151 its reverse (151231004), we get a palindrome (551363155).

The spelling of 400132151 in words is "four hundred million, one hundred thirty-two thousand, one hundred fifty-one".