132347440 has 20 divisors (see below), whose sum is σ = 307707984. Its totient is φ = 52938944.

The previous prime is 132347419. The next prime is 132347447. The reversal of 132347440 is 44743231.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 132347399 and 132347408.

It is not an unprimeable number, because it can be changed into a prime (132347447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 827092 + ... + 827251.

Almost surely, 2^132347440 is an apocalyptic number.

132347440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132347440 is an abundant number, since it is smaller than the sum of its proper divisors (175360544).

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

132347440 is a wasteful number, since it uses less digits than its factorization.

132347440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654356 (or 1654350 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 132347440 is about 11504.2357416736. The cubic root of 132347440 is about 509.6106730084.

The spelling of 132347440 in words is "one hundred thirty-two million, three hundred forty-seven thousand, four hundred forty".