140157930 has 48 divisors (see below), whose sum is σ = 369748512. Its totient is φ = 33976800.

The previous prime is 140157907. The next prime is 140157937. The reversal of 140157930 is 39751041.

140157930 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (140157937) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15676 + ... + 22935.

It is an arithmetic number, because the mean of its divisors is an integer number (7703094).

Almost surely, 2^140157930 is an apocalyptic number.

140157930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140157930 is an abundant number, since it is smaller than the sum of its proper divisors (229590582).

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

140157930 is a wasteful number, since it uses less digits than its factorization.

140157930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38643 (or 38632 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 140157930 is about 11838.8314457129. The cubic root of 140157930 is about 519.4445869537. Note that the first 3 decimals are identical.

It can be divided in two parts, 14015 and 7930, that added together give a triangular number (21945 = T₂₀₉).

The spelling of 140157930 in words is "one hundred forty million, one hundred fifty-seven thousand, nine hundred thirty".