140471070 has 32 divisors (see below), whose sum is σ = 348757920. Its totient is φ = 36167040.

The previous prime is 140471069. The next prime is 140471077. The reversal of 140471070 is 70174041.

It is a self number, because there is not a number n which added to its sum of digits gives 140471070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140471077) 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, 79861 + ... + 81600.

It is an arithmetic number, because the mean of its divisors is an integer number (10898685).

Almost surely, 2^140471070 is an apocalyptic number.

140471070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140471070 is an abundant number, since it is smaller than the sum of its proper divisors (208286850).

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

140471070 is a wasteful number, since it uses less digits than its factorization.

140471070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161500.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 140471070 is about 11852.0491899080. The cubic root of 140471070 is about 519.8311458660.

The spelling of 140471070 in words is "one hundred forty million, four hundred seventy-one thousand, seventy".