140537230 has 16 divisors (see below), whose sum is σ = 255810960. Its totient is φ = 55582912.

The previous prime is 140537207. The next prime is 140537251. The reversal of 140537230 is 32735041.

It is a junction number, because it is equal to n+sod(n) for n = 140537195 and 140537204.

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, 78064 + ... + 79843.

It is an arithmetic number, because the mean of its divisors is an integer number (15988185).

Almost surely, 2^140537230 is an apocalyptic number.

140537230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140537230 is a deficient number, since it is larger than the sum of its proper divisors (115273730).

140537230 is a wasteful number, since it uses less digits than its factorization.

140537230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158003.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 140537230 is about 11854.8399398727. The cubic root of 140537230 is about 519.9127442351.

The spelling of 140537230 in words is "one hundred forty million, five hundred thirty-seven thousand, two hundred thirty".