1402909487 has 8 divisors (see below), whose sum is σ = 1604376576. Its totient is φ = 1201705272.

The previous prime is 1402909477. The next prime is 1402909489. The reversal of 1402909487 is 7849092041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1402909487 - 2⁸ = 1402909231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402909489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54143 + ... + 75744.

It is an arithmetic number, because the mean of its divisors is an integer number (200547072).

Almost surely, 2^1402909487 is an apocalyptic number.

1402909487 is a deficient number, since it is larger than the sum of its proper divisors (201467089).

1402909487 is a wasteful number, since it uses less digits than its factorization.

1402909487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131437.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 1402909487 is about 37455.4333441758. The cubic root of 1402909487 is about 1119.4633608462.

The spelling of 1402909487 in words is "one billion, four hundred two million, nine hundred nine thousand, four hundred eighty-seven".