Adding to 142711136 its reverse (631117241), we get a palindrome (773828377).
It is a congruent number.
Almost surely, 2142711136 is an apocalyptic number.
142711136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
142711136 is the 6386-th centered heptagonal number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 142711136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148708224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142711136 is a wasteful number, since it uses less digits than its factorization.
142711136 is an odious number, because the sum of its binary digits is odd.
The square root of 142711136 is about 11946.1766268543. The cubic root of 142711136 is about 522.5798032912.
The spelling of 142711136 in words is "one hundred forty-two million, seven hundred eleven thousand, one hundred thirty-six".