1402202141 has 2 divisors, whose sum is σ = 1402202142. Its totient is φ = 1402202140.

The previous prime is 1402202129. The next prime is 1402202149. The reversal of 1402202141 is 1412022041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1312975225 + 89226916 = 36235^2 + 9446^2 .

It is an emirp because it is prime and its reverse (1412022041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1402202141 - 2⁶ = 1402202077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1402202149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701101070 + 701101071.

It is an arithmetic number, because the mean of its divisors is an integer number (701101071).

Almost surely, 2^1402202141 is an apocalyptic number.

It is an amenable number.

1402202141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402202141 is an equidigital number, since it uses as much as digits as its factorization.

1402202141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1402202141 is about 37445.9896517638. The cubic root of 1402202141 is about 1119.2751849973.

Adding to 1402202141 its reverse (1412022041), we get a palindrome (2814224182).

The spelling of 1402202141 in words is "one billion, four hundred two million, two hundred two thousand, one hundred forty-one".