140403375 has 120 divisors (see below), whose sum is σ = 305564688. Its totient is φ = 63957600.

The previous prime is 140403337. The next prime is 140403379. The reversal of 140403375 is 573304041.

It is not a de Polignac number, because 140403375 - 2¹³ = 140395183 is a prime.

It is a super-2 number, since 2×140403375² = 39426215422781250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140403379) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 495984 + ... + 496266.

Almost surely, 2^140403375 is an apocalyptic number.

140403375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140403375 is an abundant number, since it is smaller than the sum of its proper divisors (165161313).

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

140403375 is an equidigital number, since it uses as much as digits as its factorization.

140403375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 140403375 is about 11849.1930104965. The cubic root of 140403375 is about 519.7476277823.

The spelling of 140403375 in words is "one hundred forty million, four hundred three thousand, three hundred seventy-five".