1402015155 has 16 divisors (see below), whose sum is σ = 2279999904. Its totient is φ = 735482880.

The previous prime is 1402015141. The next prime is 1402015157. The reversal of 1402015155 is 5515102041.

1402015155 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1402015155 - 2²⁴ = 1385237939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1402015157) 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, 765214 + ... + 767043.

It is an arithmetic number, because the mean of its divisors is an integer number (142499994).

Almost surely, 2^1402015155 is an apocalyptic number.

1402015155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1402015155 is a deficient number, since it is larger than the sum of its proper divisors (877984749).

1402015155 is a wasteful number, since it uses less digits than its factorization.

1402015155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532326.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 1402015155 is about 37443.4928258569. The cubic root of 1402015155 is about 1119.2254303799.

Adding to 1402015155 its reverse (5515102041), we get a palindrome (6917117196).

The spelling of 1402015155 in words is "one billion, four hundred two million, fifteen thousand, one hundred fifty-five".