140622465 has 8 divisors (see below), whose sum is σ = 224995968. Its totient is φ = 74998640.

The previous prime is 140622463. The next prime is 140622473. The reversal of 140622465 is 564226041.

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

It is not a de Polignac number, because 140622465 - 2¹ = 140622463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140622463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4687401 + ... + 4687430.

It is an arithmetic number, because the mean of its divisors is an integer number (28124496).

Almost surely, 2^140622465 is an apocalyptic number.

140622465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140622465 is a deficient number, since it is larger than the sum of its proper divisors (84373503).

140622465 is an equidigital number, since it uses as much as digits as its factorization.

140622465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9374839.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 140622465 is about 11858.4343401648. The cubic root of 140622465 is about 520.0178309961.

It can be divided in two parts, 1406 and 22465, that added together give a triangular number (23871 = T₂₁₈).

The spelling of 140622465 in words is "one hundred forty million, six hundred twenty-two thousand, four hundred sixty-five".