140598851 has 4 divisors (see below), whose sum is σ = 140770512. Its totient is φ = 140427192.

The previous prime is 140598833. The next prime is 140598859. The reversal of 140598851 is 158895041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140598851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140598799 and 140598808.

It is not an unprimeable number, because it can be changed into a prime (140598859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84596 + ... + 86241.

It is an arithmetic number, because the mean of its divisors is an integer number (35192628).

Almost surely, 2^140598851 is an apocalyptic number.

140598851 is a deficient number, since it is larger than the sum of its proper divisors (171661).

140598851 is an equidigital number, since it uses as much as digits as its factorization.

140598851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171660.

The product of its (nonzero) digits is 57600, while the sum is 41.

The square root of 140598851 is about 11857.4386357257. The cubic root of 140598851 is about 519.9887214023.

The spelling of 140598851 in words is "one hundred forty million, five hundred ninety-eight thousand, eight hundred fifty-one".