140507030 has 32 divisors (see below), whose sum is σ = 264988800. Its totient is φ = 53569152.

The previous prime is 140507027. The next prime is 140507053. The reversal of 140507030 is 30705041.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140506993 and 140507011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19844 + ... + 25976.

It is an arithmetic number, because the mean of its divisors is an integer number (8280900).

Almost surely, 2^140507030 is an apocalyptic number.

140507030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140507030 is a deficient number, since it is larger than the sum of its proper divisors (124481770).

140507030 is a wasteful number, since it uses less digits than its factorization.

140507030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6248.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 140507030 is about 11853.5661300724. The cubic root of 140507030 is about 519.8755002732.

The spelling of 140507030 in words is "one hundred forty million, five hundred seven thousand, thirty".