140634578430 has 32 divisors (see below), whose sum is σ = 375025543200. Its totient is φ = 37502554176.

The previous prime is 140634578417. The next prime is 140634578477. The reversal of 140634578430 is 34875436041.

140634578430 is a `hidden beast` number, since 1 + 4 + 0 + 6 + 34 + 578 + 43 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent 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, 260434135 + ... + 260434674.

It is an arithmetic number, because the mean of its divisors is an integer number (11719548225).

Almost surely, 2^140634578430 is an apocalyptic number.

140634578430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140634578430 is an abundant number, since it is smaller than the sum of its proper divisors (234390964770).

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

140634578430 is a wasteful number, since it uses less digits than its factorization.

140634578430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520868825 (or 520868819 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 140634578430 in words is "one hundred forty billion, six hundred thirty-four million, five hundred seventy-eight thousand, four hundred thirty".