424250136 has 80 divisors (see below), whose sum is σ = 1191366000. Its totient is φ = 141051456.

The previous prime is 424250131. The next prime is 424250207. The reversal of 424250136 is 631052424.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424250131) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 387606 + ... + 388698.

It is an arithmetic number, because the mean of its divisors is an integer number (14892075).

Almost surely, 2^424250136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424250136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (595683000).

424250136 is an abundant number, since it is smaller than the sum of its proper divisors (767115864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

424250136 is a wasteful number, since it uses less digits than its factorization.

424250136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710 (or 1697 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 424250136 is about 20597.3332254445. Note that the first 3 decimals coincide. The cubic root of 424250136 is about 751.4048548674.

The spelling of 424250136 in words is "four hundred twenty-four million, two hundred fifty thousand, one hundred thirty-six".