6402132155 has 8 divisors (see below), whose sum is σ = 7695094992. Its totient is φ = 5113348128.

The previous prime is 6402132151. The next prime is 6402132157. The reversal of 6402132155 is 5512312046.

6402132155 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 6402132155 - 2² = 6402132151 is a prime.

It is a super-2 number, since 2×6402132155² = 81974592260169888050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6402132151) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1041329 + ... + 1047458.

It is an arithmetic number, because the mean of its divisors is an integer number (961886874).

Almost surely, 2^6402132155 is an apocalyptic number.

6402132155 is a deficient number, since it is larger than the sum of its proper divisors (1292962837).

6402132155 is a wasteful number, since it uses less digits than its factorization.

6402132155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089405.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 6402132155 is about 80013.3248590508. The cubic root of 6402132155 is about 1856.8416894457.

The spelling of 6402132155 in words is "six billion, four hundred two million, one hundred thirty-two thousand, one hundred fifty-five".