140902349 has 8 divisors (see below), whose sum is σ = 161108160. Its totient is φ = 120715776.

The previous prime is 140902343. The next prime is 140902367. The reversal of 140902349 is 943209041.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 140902349 - 2²⁰ = 139853773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140902343) 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, 18317 + ... + 24845.

It is an arithmetic number, because the mean of its divisors is an integer number (20138520).

Almost surely, 2^140902349 is an apocalyptic number.

It is an amenable number.

140902349 is a deficient number, since it is larger than the sum of its proper divisors (20205811).

140902349 is an equidigital number, since it uses as much as digits as its factorization.

140902349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9619.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 140902349 is about 11870.2295260033. The cubic root of 140902349 is about 520.3626033551.

The spelling of 140902349 in words is "one hundred forty million, nine hundred two thousand, three hundred forty-nine".