149196920 has 32 divisors (see below), whose sum is σ = 336042000. Its totient is φ = 59616768.

The previous prime is 149196907. The next prime is 149196923. The reversal of 149196920 is 29691941.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149196923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70031 + ... + 72129.

Almost surely, 2^149196920 is an apocalyptic number.

149196920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149196920 is an abundant number, since it is smaller than the sum of its proper divisors (186845080).

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

149196920 is a wasteful number, since it uses less digits than its factorization.

149196920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887 (or 3883 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 149196920 is about 12214.6191099027. The cubic root of 149196920 is about 530.3793652732.

The spelling of 149196920 in words is "one hundred forty-nine million, one hundred ninety-six thousand, nine hundred twenty".