140347051 has 4 divisors (see below), whose sum is σ = 151142992. Its totient is φ = 129551112.

The previous prime is 140347007. The next prime is 140347061. The reversal of 140347051 is 150743041.

140347051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150743041 = 9467 ⋅15923.

It is a cyclic number.

It is not a de Polignac number, because 140347051 - 2¹⁹ = 139822763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140347061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5397951 + ... + 5397976.

It is an arithmetic number, because the mean of its divisors is an integer number (37785748).

Almost surely, 2^140347051 is an apocalyptic number.

140347051 is a deficient number, since it is larger than the sum of its proper divisors (10795941).

140347051 is a wasteful number, since it uses less digits than its factorization.

140347051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10795940.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 140347051 is about 11846.8160701515. The cubic root of 140347051 is about 519.6781181027.

The spelling of 140347051 in words is "one hundred forty million, three hundred forty-seven thousand, fifty-one".