152140720 has 20 divisors (see below), whose sum is σ = 353727360. Its totient is φ = 60856256.

The previous prime is 152140711. The next prime is 152140727. The reversal of 152140720 is 27041251.

It is a happy number.

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 = 152140691 and 152140700.

It is not an unprimeable number, because it can be changed into a prime (152140727) 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, 950800 + ... + 950959.

It is an arithmetic number, because the mean of its divisors is an integer number (17686368).

Almost surely, 2^152140720 is an apocalyptic number.

152140720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152140720 is an abundant number, since it is smaller than the sum of its proper divisors (201586640).

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

152140720 is a wasteful number, since it uses less digits than its factorization.

152140720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901772 (or 1901766 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 152140720 is about 12334.5336352859. The cubic root of 152140720 is about 533.8449708244.

Adding to 152140720 its reverse (27041251), we get a palindrome (179181971).

The spelling of 152140720 in words is "one hundred fifty-two million, one hundred forty thousand, seven hundred twenty".