153712040 has 16 divisors (see below), whose sum is σ = 345852180. Its totient is φ = 61484800.

The previous prime is 153712019. The next prime is 153712049. The reversal of 153712040 is 40217351.

It can be written as a sum of positive squares in 2 ways, for example, as 144336196 + 9375844 = 12014^2 + 3062^2 .

It is a junction number, because it is equal to n+sod(n) for n = 153711997 and 153712015.

It is not an unprimeable number, because it can be changed into a prime (153712049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1921361 + ... + 1921440.

Almost surely, 2^153712040 is an apocalyptic number.

153712040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153712040 is an abundant number, since it is smaller than the sum of its proper divisors (192140140).

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

153712040 is a wasteful number, since it uses less digits than its factorization.

153712040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3842812 (or 3842808 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 153712040 is about 12398.0659782081. The cubic root of 153712040 is about 535.6765424245.

Adding to 153712040 its reverse (40217351), we get a palindrome (193929391).

The spelling of 153712040 in words is "one hundred fifty-three million, seven hundred twelve thousand, forty".