140571390 has 16 divisors (see below), whose sum is σ = 337371408. Its totient is φ = 37485696.

The previous prime is 140571383. The next prime is 140571401. The reversal of 140571390 is 93175041.

It is a super-3 number, since 3×140571390³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 4685713 = 140571390 / (1 + 4 + 0 + 5 + 7 + 1 + 3 + 9 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2342827 + ... + 2342886.

It is an arithmetic number, because the mean of its divisors is an integer number (21085713).

Almost surely, 2^140571390 is an apocalyptic number.

140571390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140571390 is an abundant number, since it is smaller than the sum of its proper divisors (196800018).

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

140571390 is a wasteful number, since it uses less digits than its factorization.

140571390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4685723.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 140571390 is about 11856.2806140880. The cubic root of 140571390 is about 519.9548654119.

The spelling of 140571390 in words is "one hundred forty million, five hundred seventy-one thousand, three hundred ninety".