197519136 has 48 divisors (see below), whose sum is σ = 545781600. Its totient is φ = 62373888.

The previous prime is 197519129. The next prime is 197519137. The reversal of 197519136 is 631915791.

197519136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (197519137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52321 + ... + 55968.

It is an arithmetic number, because the mean of its divisors is an integer number (11370450).

Almost surely, 2^197519136 is an apocalyptic number.

197519136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

197519136 is an abundant number, since it is smaller than the sum of its proper divisors (348262464).

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

197519136 is a wasteful number, since it uses less digits than its factorization.

197519136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108321 (or 108313 counting only the distinct ones).

The product of its digits is 51030, while the sum is 42.

The square root of 197519136 is about 14054.1501343909. The cubic root of 197519136 is about 582.3754500480.

The spelling of 197519136 in words is "one hundred ninety-seven million, five hundred nineteen thousand, one hundred thirty-six".