1402320155 has 8 divisors (see below), whose sum is σ = 1710371184. Its totient is φ = 1103464800.

The previous prime is 1402320151. The next prime is 1402320167. The reversal of 1402320155 is 5510232041.

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

It is not a de Polignac number, because 1402320155 - 2² = 1402320151 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 1402320155.

It is not an unprimeable number, because it can be changed into a prime (1402320151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2298581 + ... + 2299190.

It is an arithmetic number, because the mean of its divisors is an integer number (213796398).

Almost surely, 2^1402320155 is an apocalyptic number.

1402320155 is a deficient number, since it is larger than the sum of its proper divisors (308051029).

1402320155 is an equidigital number, since it uses as much as digits as its factorization.

1402320155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4597837.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1402320155 is about 37447.5654081811. The cubic root of 1402320155 is about 1119.3065847583.

Adding to 1402320155 its reverse (5510232041), we get a palindrome (6912552196).

The spelling of 1402320155 in words is "one billion, four hundred two million, three hundred twenty thousand, one hundred fifty-five".