61496139 has 8 divisors (see below), whose sum is σ = 82041552. Its totient is φ = 40974080.

The previous prime is 61496131. The next prime is 61496143. The reversal of 61496139 is 93169416.

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 61496139 - 2³ = 61496131 is a prime.

It is a super-2 number, since 2×61496139² = 7563550223814642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61496097 and 61496106.

It is not an unprimeable number, because it can be changed into a prime (61496131) 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, 1699 + ... + 11219.

It is an arithmetic number, because the mean of its divisors is an integer number (10255194).

Almost surely, 2^61496139 is an apocalyptic number.

61496139 is a deficient number, since it is larger than the sum of its proper divisors (20545413).

61496139 is a wasteful number, since it uses less digits than its factorization.

61496139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11677.

The product of its digits is 34992, while the sum is 39.

The square root of 61496139 is about 7841.9473984464. The cubic root of 61496139 is about 394.7140781885.

The spelling of 61496139 in words is "sixty-one million, four hundred ninety-six thousand, one hundred thirty-nine".