140378958 has 12 divisors (see below), whose sum is σ = 304154448. Its totient is φ = 46792980.

The previous prime is 140378951. The next prime is 140378977. The reversal of 140378958 is 859873041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140378951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3899398 + ... + 3899433.

It is an arithmetic number, because the mean of its divisors is an integer number (25346204).

Almost surely, 2^140378958 is an apocalyptic number.

140378958 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

140378958 is an abundant number, since it is smaller than the sum of its proper divisors (163775490).

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

140378958 is a wasteful number, since it uses less digits than its factorization.

140378958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7798839 (or 7798836 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 140378958 is about 11848.1626423678. The cubic root of 140378958 is about 519.7174969454.

The spelling of 140378958 in words is "one hundred forty million, three hundred seventy-eight thousand, nine hundred fifty-eight".