149626836 has 18 divisors (see below), whose sum is σ = 378223482. Its totient is φ = 49875600.

The previous prime is 149626831. The next prime is 149626871. The reversal of 149626836 is 638626941.

149626836 is a `hidden beast` number, since 14 + 9 + 626 + 8 + 3 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 107246736 + 42380100 = 10356^2 + 6510^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 149626791 and 149626800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149626831) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2078115 + ... + 2078186.

Almost surely, 2^149626836 is an apocalyptic number.

It is an amenable number.

149626836 is an abundant number, since it is smaller than the sum of its proper divisors (228596646).

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

149626836 is a wasteful number, since it uses less digits than its factorization.

149626836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4156311 (or 4156306 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 149626836 is about 12232.2048707500. The cubic root of 149626836 is about 530.8883121307. Note that the first 3 decimals are identical.

The spelling of 149626836 in words is "one hundred forty-nine million, six hundred twenty-six thousand, eight hundred thirty-six".