142857136 has 10 divisors (see below), whose sum is σ = 276785732. Its totient is φ = 71428560.

The previous prime is 142857133. The next prime is 142857151. The reversal of 142857136 is 631758241.

It is a super-2 number, since 2×142857136² = 40816322612244992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142857095 and 142857104.

It is not an unprimeable number, because it can be changed into a prime (142857133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4464270 + ... + 4464301.

Almost surely, 2^142857136 is an apocalyptic number.

142857136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

142857136 is a deficient number, since it is larger than the sum of its proper divisors (133928596).

142857136 is an equidigital number, since it uses as much as digits as its factorization.

142857136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8928579 (or 8928573 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 142857136 is about 11952.2858064891. The cubic root of 142857136 is about 522.7579502106.

It can be divided in two parts, 1428 and 57136, that added together give a square (58564 = 242²).

The spelling of 142857136 in words is "one hundred forty-two million, eight hundred fifty-seven thousand, one hundred thirty-six".