653938142 has 64 divisors (see below), whose sum is σ = 1182504960. Its totient is φ = 267321600.

The previous prime is 653938141. The next prime is 653938147. The reversal of 653938142 is 241839356.

It is a self number, because there is not a number n which added to its sum of digits gives 653938142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653938141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2327042 + ... + 2327322.

It is an arithmetic number, because the mean of its divisors is an integer number (18476640).

Almost surely, 2^653938142 is an apocalyptic number.

653938142 is a deficient number, since it is larger than the sum of its proper divisors (528566818).

653938142 is a wasteful number, since it uses less digits than its factorization.

653938142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489.

The product of its digits is 155520, while the sum is 41.

The square root of 653938142 is about 25572.2142568844. The cubic root of 653938142 is about 867.9850059703.

The spelling of 653938142 in words is "six hundred fifty-three million, nine hundred thirty-eight thousand, one hundred forty-two".