140307357 has 4 divisors (see below), whose sum is σ = 187076480. Its totient is φ = 93538236.

The previous prime is 140307329. The next prime is 140307407. The reversal of 140307357 is 753703041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 140307357 - 2¹⁰ = 140306333 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 (140307257) 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, 23384557 + ... + 23384562.

It is an arithmetic number, because the mean of its divisors is an integer number (46769120).

Almost surely, 2^140307357 is an apocalyptic number.

It is an amenable number.

140307357 is a deficient number, since it is larger than the sum of its proper divisors (46769123).

140307357 is an equidigital number, since it uses as much as digits as its factorization.

140307357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46769122.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 140307357 is about 11845.1406492283. The cubic root of 140307357 is about 519.6291204024.

The spelling of 140307357 in words is "one hundred forty million, three hundred seven thousand, three hundred fifty-seven".