142913928 has 32 divisors (see below), whose sum is σ = 357888960. Its totient is φ = 47557440.

The previous prime is 142913921. The next prime is 142913941. The reversal of 142913928 is 829319241.

It is not an unprimeable number, because it can be changed into a prime (142913921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10426 + ... + 19862.

It is an arithmetic number, because the mean of its divisors is an integer number (11184030).

Almost surely, 2^142913928 is an apocalyptic number.

It is an amenable number.

142913928 is an abundant number, since it is smaller than the sum of its proper divisors (214975032).

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

142913928 is a wasteful number, since it uses less digits than its factorization.

142913928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10077 (or 10073 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 142913928 is about 11954.6613502851. The cubic root of 142913928 is about 522.8272141318.

The spelling of 142913928 in words is "one hundred forty-two million, nine hundred thirteen thousand, nine hundred twenty-eight".