140312130 has 32 divisors (see below), whose sum is σ = 384856704. Its totient is φ = 32071296.

The previous prime is 140312119. The next prime is 140312141. The reversal of 140312130 is 31213041.

140312130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (140312119) and next prime (140312141).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333867 + ... + 334286.

It is an arithmetic number, because the mean of its divisors is an integer number (12026772).

Almost surely, 2^140312130 is an apocalyptic number.

140312130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140312130 is an abundant number, since it is smaller than the sum of its proper divisors (244544574).

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

140312130 is a wasteful number, since it uses less digits than its factorization.

140312130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668170.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 140312130 is about 11845.3421225391. The cubic root of 140312130 is about 519.6350126134.

Adding to 140312130 its reverse (31213041), we get a palindrome (171525171).

It can be divided in two parts, 14031 and 2130, that added together give a palindrome (16161).

The spelling of 140312130 in words is "one hundred forty million, three hundred twelve thousand, one hundred thirty".