149381716 has 12 divisors (see below), whose sum is σ = 285183360. Its totient is φ = 67900760.

The previous prime is 149381693. The next prime is 149381731. The reversal of 149381716 is 617183941.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1697476 + ... + 1697563.

It is an arithmetic number, because the mean of its divisors is an integer number (23765280).

Almost surely, 2^149381716 is an apocalyptic number.

It is an amenable number.

149381716 is a deficient number, since it is larger than the sum of its proper divisors (135801644).

149381716 is a wasteful number, since it uses less digits than its factorization.

149381716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395054 (or 3395052 counting only the distinct ones).

The product of its digits is 36288, while the sum is 40.

The square root of 149381716 is about 12222.1813110426. The cubic root of 149381716 is about 530.5982517109.

The spelling of 149381716 in words is "one hundred forty-nine million, three hundred eighty-one thousand, seven hundred sixteen".