132740420 has 24 divisors (see below), whose sum is σ = 295152984. Its totient is φ = 49972736.

The previous prime is 132740417. The next prime is 132740431. The reversal of 132740420 is 24047231.

It can be written as a sum of positive squares in 4 ways, for example, as 16273156 + 116467264 = 4034^2 + 10792^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194867 + ... + 195546.

It is an arithmetic number, because the mean of its divisors is an integer number (12298041).

Almost surely, 2^132740420 is an apocalyptic number.

132740420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132740420 is an abundant number, since it is smaller than the sum of its proper divisors (162412564).

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

132740420 is a wasteful number, since it uses less digits than its factorization.

132740420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390439 (or 390437 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 132740420 is about 11521.3028777131. The cubic root of 132740420 is about 510.1145712096.

Adding to 132740420 its reverse (24047231), we get a palindrome (156787651).

The spelling of 132740420 in words is "one hundred thirty-two million, seven hundred forty thousand, four hundred twenty".