140547693 has 64 divisors (see below), whose sum is σ = 237726720. Its totient is φ = 72576000.

The previous prime is 140547689. The next prime is 140547727. The reversal of 140547693 is 396745041.

It is not a de Polignac number, because 140547693 - 2² = 140547689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140547623) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 350293 + ... + 350693.

It is an arithmetic number, because the mean of its divisors is an integer number (3714480).

Almost surely, 2^140547693 is an apocalyptic number.

140547693 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

140547693 is a deficient number, since it is larger than the sum of its proper divisors (97179027).

140547693 is a wasteful number, since it uses less digits than its factorization.

140547693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 140547693 is about 11855.2812282122. The cubic root of 140547693 is about 519.9256464201.

The spelling of 140547693 in words is "one hundred forty million, five hundred forty-seven thousand, six hundred ninety-three".