712142140 has 12 divisors (see below), whose sum is σ = 1495498536. Its totient is φ = 284856848.

The previous prime is 712142131. The next prime is 712142143. The reversal of 712142140 is 41241217.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712142143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17803534 + ... + 17803573.

It is an arithmetic number, because the mean of its divisors is an integer number (124624878).

Almost surely, 2^712142140 is an apocalyptic number.

It is an amenable number.

712142140 is an abundant number, since it is smaller than the sum of its proper divisors (783356396).

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

712142140 is a wasteful number, since it uses less digits than its factorization.

712142140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35607116 (or 35607114 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 712142140 is about 26685.9914561929. The cubic root of 712142140 is about 893.0084364055.

Adding to 712142140 its reverse (41241217), we get a palindrome (753383357).

The spelling of 712142140 in words is "seven hundred twelve million, one hundred forty-two thousand, one hundred forty".