140155030 has 32 divisors (see below), whose sum is σ = 262787328. Its totient is φ = 53760000.

The previous prime is 140155019. The next prime is 140155049. The reversal of 140155030 is 30551041.

It is a junction number, because it is equal to n+sod(n) for n = 140154989 and 140155007.

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, 33030 + ... + 37030.

It is an arithmetic number, because the mean of its divisors is an integer number (8212104).

Almost surely, 2^140155030 is an apocalyptic number.

140155030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140155030 is a deficient number, since it is larger than the sum of its proper divisors (122632298).

140155030 is a wasteful number, since it uses less digits than its factorization.

140155030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4152.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 140155030 is about 11838.7089667751. The cubic root of 140155030 is about 519.4410043292.

The spelling of 140155030 in words is "one hundred forty million, one hundred fifty-five thousand, thirty".