140515142 has 16 divisors (see below), whose sum is σ = 225054720. Its totient is φ = 65639112.

The previous prime is 140515103. The next prime is 140515153. The reversal of 140515142 is 241515041.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33542 + ... + 37497.

It is an arithmetic number, because the mean of its divisors is an integer number (14065920).

Almost surely, 2^140515142 is an apocalyptic number.

140515142 is a deficient number, since it is larger than the sum of its proper divisors (84539578).

140515142 is a wasteful number, since it uses less digits than its factorization.

140515142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71107.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 140515142 is about 11853.9083006408. The cubic root of 140515142 is about 519.8855048709.

The spelling of 140515142 in words is "one hundred forty million, five hundred fifteen thousand, one hundred forty-two".