1402139455 has 32 divisors (see below), whose sum is σ = 1818206208. Its totient is φ = 1034985600.

The previous prime is 1402139441. The next prime is 1402139467. The reversal of 1402139455 is 5549312041.

It is not a de Polignac number, because 1402139455 - 2⁹ = 1402138943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1402139455.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1928302 + ... + 1929028.

It is an arithmetic number, because the mean of its divisors is an integer number (56818944).

Almost surely, 2^1402139455 is an apocalyptic number.

1402139455 is a deficient number, since it is larger than the sum of its proper divisors (416066753).

1402139455 is a wasteful number, since it uses less digits than its factorization.

1402139455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 1402139455 is about 37445.1526235373. The cubic root of 1402139455 is about 1119.2585055358.

The spelling of 1402139455 in words is "one billion, four hundred two million, one hundred thirty-nine thousand, four hundred fifty-five".