61140354 has 32 divisors (see below), whose sum is σ = 137007936. Its totient is φ = 18025920.

The previous prime is 61140349. The next prime is 61140377. The reversal of 61140354 is 45304116.

61140354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10077 + ... + 14960.

It is an arithmetic number, because the mean of its divisors is an integer number (4281498).

Almost surely, 2^61140354 is an apocalyptic number.

61140354 is an abundant number, since it is smaller than the sum of its proper divisors (75867582).

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

61140354 is a wasteful number, since it uses less digits than its factorization.

61140354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25090.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 61140354 is about 7819.2297574633. The cubic root of 61140354 is about 393.9514013254.

The spelling of 61140354 in words is "sixty-one million, one hundred forty thousand, three hundred fifty-four".