1400151149 has 2 divisors, whose sum is σ = 1400151150. Its totient is φ = 1400151148.

The previous prime is 1400151143. The next prime is 1400151157. The reversal of 1400151149 is 9411510041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1008507049 + 391644100 = 31757^2 + 19790^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400151149 - 2⁸ = 1400150893 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400151143) 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 as a sum of consecutive naturals, namely, 700075574 + 700075575.

It is an arithmetic number, because the mean of its divisors is an integer number (700075575).

Almost surely, 2^1400151149 is an apocalyptic number.

It is an amenable number.

1400151149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400151149 is an equidigital number, since it uses as much as digits as its factorization.

1400151149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 1400151149 is about 37418.5936266985. The cubic root of 1400151149 is about 1118.7291998505.

The spelling of 1400151149 in words is "one billion, four hundred million, one hundred fifty-one thousand, one hundred forty-nine".