1025536142 has 8 divisors (see below), whose sum is σ = 1555588800. Its totient is φ = 507006544.

The previous prime is 1025536139. The next prime is 1025536147. The reversal of 1025536142 is 2416355201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025536147) 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, 2880542 + ... + 2880897.

It is an arithmetic number, because the mean of its divisors is an integer number (194448600).

Almost surely, 2^1025536142 is an apocalyptic number.

1025536142 is a deficient number, since it is larger than the sum of its proper divisors (530052658).

1025536142 is an equidigital number, since it uses as much as digits as its factorization.

1025536142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5761530.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1025536142 is about 32023.9932238314. The cubic root of 1025536142 is about 1008.4406031057.

The spelling of 1025536142 in words is "one billion, twenty-five million, five hundred thirty-six thousand, one hundred forty-two".