1400312145149 has 2 divisors, whose sum is σ = 1400312145150. Its totient is φ = 1400312145148.

The previous prime is 1400312145131. The next prime is 1400312145191. The reversal of 1400312145149 is 9415412130041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 836206000249 + 564106144900 = 914443^2 + 751070^2 .

It is an emirp because it is prime and its reverse (9415412130041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1400312145149 - 2⁸ = 1400312144893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400312142149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700156072574 + 700156072575.

It is an arithmetic number, because the mean of its divisors is an integer number (700156072575).

Almost surely, 2^{1400312145149} is an apocalyptic number.

It is an amenable number.

1400312145149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400312145149 is an equidigital number, since it uses as much as digits as its factorization.

1400312145149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 1400312145149 in words is "one trillion, four hundred billion, three hundred twelve million, one hundred forty-five thousand, one hundred forty-nine".