142536705 has 32 divisors (see below), whose sum is σ = 234880128. Its totient is φ = 73766400.

The previous prime is 142536697. The next prime is 142536739. The reversal of 142536705 is 507635241.

It is not a de Polignac number, because 142536705 - 2³ = 142536697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139095 + ... + 140115.

It is an arithmetic number, because the mean of its divisors is an integer number (7340004).

Almost surely, 2^142536705 is an apocalyptic number.

142536705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142536705 is a deficient number, since it is larger than the sum of its proper divisors (92343423).

142536705 is a wasteful number, since it uses less digits than its factorization.

142536705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 142536705 is about 11938.8736905958. The cubic root of 142536705 is about 522.3668059417.

The spelling of 142536705 in words is "one hundred forty-two million, five hundred thirty-six thousand, seven hundred five".