140514978 has 32 divisors (see below), whose sum is σ = 287914176. Its totient is φ = 45700928.

The previous prime is 140514973. The next prime is 140514991. The reversal of 140514978 is 879415041.

It is a super-3 number, since 3×140514978³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (140514973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61525 + ... + 63767.

It is an arithmetic number, because the mean of its divisors is an integer number (8997318).

Almost surely, 2^140514978 is an apocalyptic number.

140514978 is an abundant number, since it is smaller than the sum of its proper divisors (147399198).

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

140514978 is a wasteful number, since it uses less digits than its factorization.

140514978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2498.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 140514978 is about 11853.9013830890. The cubic root of 140514978 is about 519.8853026121.

The spelling of 140514978 in words is "one hundred forty million, five hundred fourteen thousand, nine hundred seventy-eight".