140554157 has 8 divisors (see below), whose sum is σ = 144611736. Its totient is φ = 136510272.

The previous prime is 140554129. The next prime is 140554171. The reversal of 140554157 is 751455041.

140554157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5669161 + 134884996 = 2381^2 + 11614^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 140554157 - 2⁸ = 140553901 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 (146554157) 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, 19583 + ... + 25779.

It is an arithmetic number, because the mean of its divisors is an integer number (18076467).

Almost surely, 2^140554157 is an apocalyptic number.

It is an amenable number.

140554157 is a deficient number, since it is larger than the sum of its proper divisors (4057579).

140554157 is an equidigital number, since it uses as much as digits as its factorization.

140554157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6847.

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 140554157 is about 11855.5538461938. The cubic root of 140554157 is about 519.9336170190.

The spelling of 140554157 in words is "one hundred forty million, five hundred fifty-four thousand, one hundred fifty-seven".