140974949 has 8 divisors (see below), whose sum is σ = 148620288. Its totient is φ = 133523280.

The previous prime is 140974943. The next prime is 140974957. The reversal of 140974949 is 949479041.

140974949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 140974949 - 2²⁰ = 139926373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140974943) 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, 46922 + ... + 49835.

It is an arithmetic number, because the mean of its divisors is an integer number (18577536).

Almost surely, 2^140974949 is an apocalyptic number.

It is an amenable number.

140974949 is a deficient number, since it is larger than the sum of its proper divisors (7645339).

140974949 is an equidigital number, since it uses as much as digits as its factorization.

140974949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96835.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 140974949 is about 11873.2872027927. The cubic root of 140974949 is about 520.4519603665.

The spelling of 140974949 in words is "one hundred forty million, nine hundred seventy-four thousand, nine hundred forty-nine".