140381501 has 8 divisors (see below), whose sum is σ = 151280640. Its totient is φ = 129496752.

The previous prime is 140381491. The next prime is 140381509. The reversal of 140381501 is 105183041.

140381501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140381501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140381509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25340 + ... + 30378.

It is an arithmetic number, because the mean of its divisors is an integer number (18910080).

Almost surely, 2^140381501 is an apocalyptic number.

It is an amenable number.

140381501 is a deficient number, since it is larger than the sum of its proper divisors (10899139).

140381501 is a wasteful number, since it uses less digits than its factorization.

140381501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7195.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 140381501 is about 11848.2699580994. The cubic root of 140381501 is about 519.7206351973.

The spelling of 140381501 in words is "one hundred forty million, three hundred eighty-one thousand, five hundred one".