140485351 has 4 divisors (see below), whose sum is σ = 143136072. Its totient is φ = 137834632.

The previous prime is 140485339. The next prime is 140485363. The reversal of 140485351 is 153584041.

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

It is an interprime number because it is at equal distance from previous prime (140485339) and next prime (140485363).

It is a cyclic number.

It is not a de Polignac number, because 140485351 - 2¹³ = 140477159 is a prime.

It is a super-2 number, since 2×140485351² = 39472267691186402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140485321) 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, 1325281 + ... + 1325386.

It is an arithmetic number, because the mean of its divisors is an integer number (35784018).

Almost surely, 2^140485351 is an apocalyptic number.

140485351 is a deficient number, since it is larger than the sum of its proper divisors (2650721).

140485351 is an equidigital number, since it uses as much as digits as its factorization.

140485351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650720.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 140485351 is about 11852.6516442524. The cubic root of 140485351 is about 519.8487614909.

The spelling of 140485351 in words is "one hundred forty million, four hundred eighty-five thousand, three hundred fifty-one".