1400275189 has 2 divisors, whose sum is σ = 1400275190. Its totient is φ = 1400275188.

The previous prime is 1400275171. The next prime is 1400275207. The reversal of 1400275189 is 9815720041.

It is a balanced prime because it is at equal distance from previous prime (1400275171) and next prime (1400275207).

It can be written as a sum of positive squares in only one way, i.e., 963047089 + 437228100 = 31033^2 + 20910^2 .

It is an emirp because it is prime and its reverse (9815720041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1400275189 - 2⁷ = 1400275061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400272189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700137594 + 700137595.

It is an arithmetic number, because the mean of its divisors is an integer number (700137595).

Almost surely, 2^1400275189 is an apocalyptic number.

It is an amenable number.

1400275189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400275189 is an equidigital number, since it uses as much as digits as its factorization.

1400275189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 1400275189 is about 37420.2510547431. The cubic root of 1400275189 is about 1118.7622351106.

The spelling of 1400275189 in words is "one billion, four hundred million, two hundred seventy-five thousand, one hundred eighty-nine".