149214636 has 96 divisors (see below), whose sum is σ = 403085760. Its totient is φ = 48288960.

The previous prime is 149214629. The next prime is 149214649. The reversal of 149214636 is 636412941.

149214636 is a `hidden beast` number, since 1 + 4 + 9 + 2 + 14 + 636 = 666.

149214636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×149214636² = 44530015193224992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 149214636.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 323446 + ... + 323906.

It is an arithmetic number, because the mean of its divisors is an integer number (4198810).

Almost surely, 2^149214636 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 149214636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201542880).

149214636 is an abundant number, since it is smaller than the sum of its proper divisors (253871124).

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

149214636 is an equidigital number, since it uses as much as digits as its factorization.

149214636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523 (or 503 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 149214636 is about 12215.3442849557. The cubic root of 149214636 is about 530.4003572816.

The spelling of 149214636 in words is "one hundred forty-nine million, two hundred fourteen thousand, six hundred thirty-six".