140637078407 has 8 divisors (see below), whose sum is σ = 160957379232. Its totient is φ = 120374100000.

The previous prime is 140637078401. The next prime is 140637078467. The reversal of 140637078407 is 704870736041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140637078407 - 2¹² = 140637074311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140637078401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14325344 + ... + 14335157.

It is an arithmetic number, because the mean of its divisors is an integer number (20119672404).

Almost surely, 2^140637078407 is an apocalyptic number.

140637078407 is a deficient number, since it is larger than the sum of its proper divisors (20320300825).

140637078407 is an equidigital number, since it uses as much as digits as its factorization.

140637078407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28661209.

The product of its (nonzero) digits is 790272, while the sum is 47.

The spelling of 140637078407 in words is "one hundred forty billion, six hundred thirty-seven million, seventy-eight thousand, four hundred seven".