402156147 has 8 divisors (see below), whose sum is σ = 564429760. Its totient is φ = 253993320.

The previous prime is 402156119. The next prime is 402156163. The reversal of 402156147 is 741651204.

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

It is not a de Polignac number, because 402156147 - 2¹⁰ = 402155123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402156107) 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, 3527629 + ... + 3527742.

It is an arithmetic number, because the mean of its divisors is an integer number (70553720).

Almost surely, 2^402156147 is an apocalyptic number.

402156147 is a deficient number, since it is larger than the sum of its proper divisors (162273613).

402156147 is a wasteful number, since it uses less digits than its factorization.

402156147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7055393.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 402156147 is about 20053.8312299670. The cubic root of 402156147 is about 738.1278136601.

The spelling of 402156147 in words is "four hundred two million, one hundred fifty-six thousand, one hundred forty-seven".