61421134 has 4 divisors (see below), whose sum is σ = 92131704. Its totient is φ = 30710566.

The previous prime is 61421123. The next prime is 61421179. The reversal of 61421134 is 43112416.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15355282 + ... + 15355285.

It is an arithmetic number, because the mean of its divisors is an integer number (23032926).

Almost surely, 2^61421134 is an apocalyptic number.

61421134 is a deficient number, since it is larger than the sum of its proper divisors (30710570).

61421134 is a wasteful number, since it uses less digits than its factorization.

61421134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30710569.

The product of its digits is 576, while the sum is 22.

The square root of 61421134 is about 7837.1636450951. The cubic root of 61421134 is about 394.5535392539.

The spelling of 61421134 in words is "sixty-one million, four hundred twenty-one thousand, one hundred thirty-four".