421316156 has 12 divisors (see below), whose sum is σ = 737784768. Its totient is φ = 210520512.

The previous prime is 421316111. The next prime is 421316173. The reversal of 421316156 is 651613124.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27341 + ... + 39876.

It is an arithmetic number, because the mean of its divisors is an integer number (61482064).

Almost surely, 2^421316156 is an apocalyptic number.

It is an amenable number.

421316156 is a deficient number, since it is larger than the sum of its proper divisors (316468612).

421316156 is a wasteful number, since it uses less digits than its factorization.

421316156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68788 (or 68786 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 421316156 is about 20525.9873331346. The cubic root of 421316156 is about 749.6686868489.

The spelling of 421316156 in words is "four hundred twenty-one million, three hundred sixteen thousand, one hundred fifty-six".