197132456 has 8 divisors (see below), whose sum is σ = 369623370. Its totient is φ = 98566224.

The previous prime is 197132449. The next prime is 197132461. The reversal of 197132456 is 654231791.

197132456 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 166152100 + 30980356 = 12890^2 + 5566^2 .

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

It is a super-2 number, since 2×197132456² = 77722410417183872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12320771 + ... + 12320786.

Almost surely, 2^197132456 is an apocalyptic number.

It is an amenable number.

197132456 is a deficient number, since it is larger than the sum of its proper divisors (172490914).

197132456 is a wasteful number, since it uses less digits than its factorization.

197132456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24641563 (or 24641559 counting only the distinct ones).

The product of its digits is 45360, while the sum is 38.

The square root of 197132456 is about 14040.3866043639. The cubic root of 197132456 is about 581.9951661325.

The spelling of 197132456 in words is "one hundred ninety-seven million, one hundred thirty-two thousand, four hundred fifty-six".