400433120137 has 2 divisors, whose sum is σ = 400433120138. Its totient is φ = 400433120136.

The previous prime is 400433120069. The next prime is 400433120161. The reversal of 400433120137 is 731021334004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 318433361401 + 81999758736 = 564299^2 + 286356^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400433120137 is a prime.

It is not a weakly prime, because it can be changed into another prime (400433124137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200216560068 + 200216560069.

It is an arithmetic number, because the mean of its divisors is an integer number (200216560069).

Almost surely, 2^400433120137 is an apocalyptic number.

It is an amenable number.

400433120137 is a deficient number, since it is larger than the sum of its proper divisors (1).

400433120137 is an equidigital number, since it uses as much as digits as its factorization.

400433120137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

The spelling of 400433120137 in words is "four hundred billion, four hundred thirty-three million, one hundred twenty thousand, one hundred thirty-seven".