149396764 has 30 divisors (see below), whose sum is σ = 287699720. Its totient is φ = 67881000.

The previous prime is 149396761. The next prime is 149396789. The reversal of 149396764 is 467693941.

It is a super-3 number, since 3×149396764³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149396761) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 57289 + ... + 59839.

Almost surely, 2^149396764 is an apocalyptic number.

It is an amenable number.

149396764 is a deficient number, since it is larger than the sum of its proper divisors (138302956).

149396764 is an equidigital number, since it uses as much as digits as its factorization.

149396764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2599 (or 2564 counting only the distinct ones).

The product of its digits is 979776, while the sum is 49.

The square root of 149396764 is about 12222.7968976008. The cubic root of 149396764 is about 530.6160677565.

The spelling of 149396764 in words is "one hundred forty-nine million, three hundred ninety-six thousand, seven hundred sixty-four".