140462920 has 32 divisors (see below), whose sum is σ = 340353720. Its totient is φ = 51863040.

The previous prime is 140462899. The next prime is 140462941. The reversal of 140462920 is 29264041.

It is an interprime number because it is at equal distance from previous prime (140462899) and next prime (140462941).

It can be written as a sum of positive squares in 4 ways, for example, as 75724804 + 64738116 = 8702^2 + 8046^2 .

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134541 + ... + 135580.

Almost surely, 2^140462920 is an apocalyptic number.

140462920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140462920 is an abundant number, since it is smaller than the sum of its proper divisors (199890800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140462920 is a wasteful number, since it uses less digits than its factorization.

140462920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270145 (or 270141 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 140462920 is about 11851.7053625206. The cubic root of 140462920 is about 519.8210922994.

The spelling of 140462920 in words is "one hundred forty million, four hundred sixty-two thousand, nine hundred twenty".