1402989351 has 16 divisors (see below), whose sum is σ = 2014955520. Its totient is φ = 865798560.

The previous prime is 1402989331. The next prime is 1402989377. The reversal of 1402989351 is 1539892041.

It is not a de Polignac number, because 1402989351 - 2¹⁷ = 1402858279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402989331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325816 + ... + 330093.

It is an arithmetic number, because the mean of its divisors is an integer number (125934720).

Almost surely, 2^1402989351 is an apocalyptic number.

1402989351 is a deficient number, since it is larger than the sum of its proper divisors (611966169).

1402989351 is a wasteful number, since it uses less digits than its factorization.

1402989351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655966.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 1402989351 is about 37456.4994493613. The cubic root of 1402989351 is about 1119.4846031587.

The spelling of 1402989351 in words is "one billion, four hundred two million, nine hundred eighty-nine thousand, three hundred fifty-one".