149641736 has 8 divisors (see below), whose sum is σ = 280578270. Its totient is φ = 74820864.

The previous prime is 149641691. The next prime is 149641757. The reversal of 149641736 is 637146941.

It can be written as a sum of positive squares in only one way, i.e., 106213636 + 43428100 = 10306^2 + 6590^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 149641693 and 149641702.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9352601 + ... + 9352616.

Almost surely, 2^149641736 is an apocalyptic number.

It is an amenable number.

149641736 is a deficient number, since it is larger than the sum of its proper divisors (130936534).

149641736 is a wasteful number, since it uses less digits than its factorization.

149641736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18705223 (or 18705219 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The square root of 149641736 is about 12232.8139035955. The cubic root of 149641736 is about 530.9059336873.

The spelling of 149641736 in words is "one hundred forty-nine million, six hundred forty-one thousand, seven hundred thirty-six".