140023134 has 32 divisors (see below), whose sum is σ = 312560640. Its totient is φ = 46464696.

The previous prime is 140023127. The next prime is 140023153. The reversal of 140023134 is 431320041.

140023134 is a `hidden beast` number, since 1 + 400 + 231 + 34 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6547 + ... + 17969.

It is an arithmetic number, because the mean of its divisors is an integer number (9767520).

Almost surely, 2^140023134 is an apocalyptic number.

140023134 is an abundant number, since it is smaller than the sum of its proper divisors (172537506).

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

140023134 is a wasteful number, since it uses less digits than its factorization.

140023134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11661 (or 11655 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 140023134 is about 11833.1371157441. The cubic root of 140023134 is about 519.2780093619.

Adding to 140023134 its reverse (431320041), we get a palindrome (571343175).

The spelling of 140023134 in words is "one hundred forty million, twenty-three thousand, one hundred thirty-four".