1402520429 has 2 divisors, whose sum is σ = 1402520430. Its totient is φ = 1402520428.

The previous prime is 1402520419. The next prime is 1402520443. The reversal of 1402520429 is 9240252041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1298521225 + 103999204 = 36035^2 + 10198^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402520429 - 2²⁰ = 1401471853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1402520419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701260214 + 701260215.

It is an arithmetic number, because the mean of its divisors is an integer number (701260215).

Almost surely, 2^1402520429 is an apocalyptic number.

It is an amenable number.

1402520429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402520429 is an equidigital number, since it uses as much as digits as its factorization.

1402520429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1402520429 is about 37450.2393717317. The cubic root of 1402520429 is about 1119.3598672500.

The spelling of 1402520429 in words is "one billion, four hundred two million, five hundred twenty thousand, four hundred twenty-nine".