140647634 has 8 divisors (see below), whose sum is σ = 211044528. Its totient is φ = 70299460.

The previous prime is 140647631. The next prime is 140647649. The reversal of 140647634 is 436746041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 140647594 and 140647603.

It is not an unprimeable number, because it can be changed into a prime (140647631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3812 + ... + 17199.

It is an arithmetic number, because the mean of its divisors is an integer number (26380566).

Almost surely, 2^140647634 is an apocalyptic number.

140647634 is a deficient number, since it is larger than the sum of its proper divisors (70396894).

140647634 is a wasteful number, since it uses less digits than its factorization.

140647634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24360.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 140647634 is about 11859.4955204680. The cubic root of 140647634 is about 520.0488538913.

The spelling of 140647634 in words is "one hundred forty million, six hundred forty-seven thousand, six hundred thirty-four".