1402161770 has 16 divisors (see below), whose sum is σ = 2524321800. Its totient is φ = 560769024.

The previous prime is 1402161767. The next prime is 1402161779. The reversal of 1402161770 is 771612041.

It can be written as a sum of positive squares in 4 ways, for example, as 627151849 + 775009921 = 25043^2 + 27839^2 .

It is not an unprimeable number, because it can be changed into a prime (1402161779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95906 + ... + 109554.

Almost surely, 2^1402161770 is an apocalyptic number.

1402161770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1402161770 is a deficient number, since it is larger than the sum of its proper divisors (1122160030).

1402161770 is a wasteful number, since it uses less digits than its factorization.

1402161770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23929.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 1402161770 is about 37445.4505914938. The cubic root of 1402161770 is about 1119.2644431576.

The spelling of 1402161770 in words is "one billion, four hundred two million, one hundred sixty-one thousand, seven hundred seventy".