61139341 has 4 divisors (see below), whose sum is σ = 61324384. Its totient is φ = 60954300.

The previous prime is 61139329. The next prime is 61139371. The reversal of 61139341 is 14393116.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61139341 - 2⁷ = 61139213 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61139311) 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, 92025 + ... + 92686.

It is an arithmetic number, because the mean of its divisors is an integer number (15331096).

Almost surely, 2^61139341 is an apocalyptic number.

It is an amenable number.

61139341 is a deficient number, since it is larger than the sum of its proper divisors (185043).

61139341 is a wasteful number, since it uses less digits than its factorization.

61139341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185042.

The product of its digits is 1944, while the sum is 28.

The square root of 61139341 is about 7819.1649809938. The cubic root of 61139341 is about 393.9492255939.

The spelling of 61139341 in words is "sixty-one million, one hundred thirty-nine thousand, three hundred forty-one".